Fingerprint based security system source code jobs

I'm seeking an experienced developer to create a User Login module for my HubSpot website. This module should be well-integrated with HubSpot's features, ensuring it is both efficient and user-friendly. Ideal Skills and Experience: - Proficient in HubSpot development - Experience w...create a User Login module for my HubSpot website. This module should be well-integrated with HubSpot's features, ensuring it is both efficient and user-friendly. Ideal Skills and Experience: - Proficient in HubSpot development - Experience with creating custom website modules - Strong understanding of user interface design - Ability to ensure cross-device compatibility - Knowledge of website security measures Please provide examples of similar projects you've completed, particu...

I'm looking for a seasoned blockchain developer to create a smart contract on Ethereum for an ERC-20 token. Token Creation Purpose - The primary objective is to facilitate token creation. Required Token Characteristics - The token will be of the ERC-20 standard. Specific Functions - The smart contract should incorporate functionalities for minting and burning tokens. Ideal...objective is to facilitate token creation. Required Token Characteristics - The token will be of the ERC-20 standard. Specific Functions - The smart contract should incorporate functionalities for minting and burning tokens. Ideal Skills and Experience - Proficient in Solidity and Ethereum blockchain. - Experienced in developing and deploying ERC-20 tokens. - Knowledgeable in smart contract security ...

...ad placements, and platform metrics while ensuring the smooth operation of automated data fetching from APIs, including Dexscreener, Goplus, and Tokensniffer, to maintain up-to-date token information and security checks. User-specific functionalities will be introduced, allowing registered users to manage their watchlists, track portfolios, and set alerts for price changes and other conditions. Personalized dashboards will display real-time data, profit/loss analyses, and performance charts, sourced via Dexscreener. Voting history will also be tracked for logged-in users. To ensure security, two-factor authentication and CAPTCHA features will be implemented. These modifications aim to maintain the platform's integrity and scalability, ensuring high performance and re...

... ratings, and reviews. Service Listing: Enable service providers to list their services with detailed descriptions and pricing. Allow service seekers to browse and search for services based on categories and keywords. Booking and Scheduling: Implement a booking system for service seekers to schedule video calls with service providers. Include a calendar view for service providers to manage their availability. Video Call Integration: Integrate a video call feature to facilitate real-time communication between service seekers and providers. Ensure the video call system is secure and reliable. Payment System: Implement a payment gateway to handle transactions. Allow service seekers to pay a small token amount to avail of the service. Provide payment history ...

I'm looking for a freelancer who can thoughtfully answer 5 questions on Stack Overflow. The answers should link back to a notebook on Scribbler, which contains relevant code snippets. This project is focused on: - Programming languages - Development tools - Javascript Your answers should not only provide assistance to the original poster, but also drive traffic to the Scribbler notebook, which is intended to showcase example usages of different code snippets. Ideal candidates for this project should have: - Strong understanding of programming languages and development tools, particularly Javascript. - Experience with Stack Overflow and understanding of its community norms. - Ability to write clear, helpful, and engaging responses. - Familiarity with Scribbler and abil...

...functionalities like live status, key fob integration, and booking flow. Mobile Responsiveness: Ensure the application works smoothly on various devices and screen sizes. End-to-End Scenarios: Test from booking initiation to payment completion for both web and mobile. 3. Claris Health Care Web and Mobile Application: API Testing: Validate API endpoints for data retrieval related to health metrics. Security Testing: Ensure the secure handling of sensitive health data (HIPAA compliance). Performance Testing: Verify app load time and stress testing under high traffic scenarios. 4. Verasys Web Application: Module Testing: Validate configuration, integration, and monitoring features. Access Control Testing: Ensure roles and permissions are functioning as intended. Compatibility Testin...

Clear and image up to read license plate

I'm looking for a professional web developer to create an E-commerce site based on my design preferences. The website should be user-friendly, visually appealing, and fully functional. Key skills and experience include: - Proficient in e-commerce platform development - Strong understanding of UX/UI principles - Experience with responsive web design - Knowledge of SEO best practices - Familiarity with e-commerce security protocols

I'm in need of a seasoned cyber security expert focusing on network security. The primary objective is to bolster the protection of personal data. Key Responsibilities: - Evaluate and enhance current firewall protection measures to safeguard personal data. - Implement effective strategies to counter potential network threats. Ideal Skills: - Extensive experience in network security. - Proficient in firewall management and configuration. - Knowledgeable in intrusion detection systems. - Able to provide comprehensive data protection strategies.

Transfer of code to new theme on shopify

I need a freelancer to make minor adjustments to my current name card design. Specific Tasks: - Text: Update with new contact information - Logo: Modify the existing logo on the card - QR Code: Incorporate a QR code that links to my contact details - Additional: Small adjustments to the current design elements Ideal candidate should have a background in graphic design, and experience with creating and integrating QR codes into print materials.

I'm in need of a Tally Prime code specifically designed to assist with managing product descriptions. Key features: - The code should facilitate the handling of product descriptions efficiently, allowing for easy navigation and updates as needed. Ideally, the freelancer should: - Have extensive experience with Tally Prime and coding for it. - Understand inventory management and product description systems. - Be able to provide a trial TCP for testing the code before final delivery. Please note that I will need to be able to check the functionality of the code using a trial TCP before final acceptance.

I'm looking for an expert in website development to help me build an informati...creating a user-friendly and appealing website that caters to blog readers. Ideal skills and experience include: - Proficiency in web development languages (HTML, CSS, JavaScript, etc.) - Experience in designing and developing blog or informational websites - Understanding of creating responsive and accessible web designs - SEO knowledge for content visibility - Familiarity with implementing security measures for a blog site. Please provide examples of similar projects you've worked on. Please Note:- I need web panel o collect phone number and name . Also submited one product all form and WhatsApp live chat botton in my web page. Offer price countdown. Price and buy now bipping Strickers...

I am in need of a detection system for a project involving a rotator and microfiber material. The objective is to determine when the microfiber (white material) ceases to fall into the rotator. Key details: - The detection system can use both sensors and cameras; I am open to either or a combination of both. - The detection will occur in an indoor environment with variable lighting conditions. - The system must have high accuracy in detecting when the microfiber stops falling. Experience and skills ideal for the job include: - Proficiency in sensor and camera systems. - Experience in developing detection systems for variable environments. - Expertise in creating high-accuracy detection systems. If needed, I can arrange for the required sensors and cameras. Please ...

Are you new to freelancing or looking for a simple way to start earning money online? Whether you’re a beginner or experienced, this task is designed for anyone who wants to generate income without requiring special skills. Here’s your chance to kickstart your freelancing journey and gain valuable experience while earning bonuses for achieving milestones! •What You’ll Do: Promote Our Website: Share the website with your network via social media, chats, emails, or word of mouth. Generate Leads: Encourage them to sign up and make a profile on our website through your unique referral link. •Requirements & Extra Benefits: No Special Skills Required: We provide all the resources and training to get you started. A smartphone or computer with internet access. Gr...

I need comprehensive Terms & Privacy documents for my Food Delivery restaurant App. It should cover all aspects, including: - User data protection - Refund and cancellation policies - Service usage guidelines Moreover, specific areas of user data protection to be addressed include: - Data collection methods - Data storage and security - Third-party data sharing The style of the documents should be a mix of formal and legalistic, simple and user-friendly, and balanced and professional. The ideal freelancer for this job should have a strong background in legal writing, particularly in the tech and food service sectors. Understanding of data protection laws and regulations is essential. Experience in creating Terms & Privacy documents for apps will be a significant advantag...

I'm looking for an experienced professional to assist my company with creating invoices online.

...help me with the programming. The project involves creating a remote start system that uses either the Nano 33BLE or an ESP with a CAN bus module. The system will also incorporate a fingerprint module and various other safety sensors. Key aspects of the project include: - All coding needs: This includes the coding for the remote start using the fingerprint module, the remote unlock functionality using BLE or standard Bluetooth, and the integration of the CAN bus and other safety sensors. - Focus on all elements: The coding assistance required will cover every aspect of the project, from the integration of the CAN bus module to the configuration of the BLE/standard Bluetooth for remote unlock. - Safety sensors: The system will include a neutral safety ...

Hi, I'm seeking someone experien...someone experienced in site builds and crypto site functions such as wallet api integrations on to the site for things like airdrops. So if you've worked on nft or coin launch projects. Pretty simple task. I have the files to site and would like you to migrate on to my new hosting/ domain, all on namecheap. Then make sure everything is functional such as wallet connecting (and making sure the security is in place, with the tokens collected going to my wallet ) I'd also like you to revise the user interface/ design just a bit. Just so it looks clean. It can be a splash page at first for all I care. But after that I'll get inspired with writing good copy + coming up with designs. And then I may rehire you to help put all th...

...The ideal candidate will be responsible for troubleshooting and resolving issues in our existing applications hosted on a Digital Ocean server. **Responsibilities:** - Analyze and troubleshoot existing Python code and Node.js applications to identify issues and improve performance. - Implement fixes and enhancements to ensure optimal operation and security of applications. - Collaborate with the development team to discuss issues, propose solutions, and deploy fixes. - Manage deployments and updates on a Digital Ocean server environment. - Document all work performed, including code changes and troubleshooting steps. - Provide regular updates on progress and developments. **Requirements:** - Proven experience as a software developer with strong proficiency in Pyth...

I'm looking for a skilled data analyst and Python programmer to create a code in Jupyter Notebook for analyzing data from Excel files. The project involves: - Primarily focusing on data analysis - Utilizing Pandas and NumPy libraries Ideal candidates should have: - Extensive experience with data analysis and Python programming - Proficiency in using Pandas and NumPy - Ability to work with Excel files - Familiarity with Jupyter Notebook Please include in your bid examples of similar projects you've completed. You are required to write the necessary program and create an effective presentation describing: The military spending of at least the top 10 nations (in military spending) Compare the data to that country’s GDP, Compare the data to the overall military sp...

I'm in need of an experienced embedded systems developer t...of an experienced embedded systems developer to help troubleshoot and debug some code running on a TI CC1352P micro-controller. The debugger will need to have a strong background in C/C++ and familiarity with TI Code Composer Studio. Given the complexity of the project, I'm looking for someone based in Ontario, Canada, who can potentially offer in-person assistance if necessary. Ideal Skills and Experience: - Proficient in C/C++ - Extensive experience with TI Code Composer Studio - Familiarity with TI CC1352P microcontroller - Embedded systems development background - knowledge of OpenThread Protocol - wireless thermostats (based on TI CC1352P micro-controller) creating Mesh Network ...

...concept for a straightforward 2-player table game, similar to the complexity of blackjack. I am seeking a developer who can initially create a basic, functional version of the game that 2 people can play online. Once this initial version is operational, we can explore enhancements such as animations, sound effects, and eventually, multiplayer support. Key Responsibilities: - Develop a simple, web-based 2-player table game - Implement basic game mechanics and rules - Collaborate on adding features post initial development Future Considerations: If the game proves to be enjoyable and functional, there is potential for this project to expand into a full-fledged app. Ideal Skills: - Game development experience - Proficiency in web technologies (JavaScript, HTML5/CSS3, React) - Str...

...updates on Australian immigration policies, education changes, and other relevant information. Online Application System: User Registration & Login: Secure user accounts with robust password protection. Step-by-Step Application Process: Guide users through the application process with clear instructions and progress indicators. Document Upload: Allow users to upload supporting documents (e.g., academic transcripts, resumes, police clearances) with file type and size restrictions. Payment Integration: Integrate with a secure payment gateway for online application fees. User Dashboard: Application Status Tracker: Real-time updates on application progress. Document Management System: Secure storage and retrieval of uploaded documents. Personalized Notifications: Email/in-...

I'm seeking a comprehensive tutorial focused on practical project walkthroughs of Model-Driven Power Apps. This tutorial should be designed for beginners but also cover a variety of...advanced features. Key Aspects of the Tutorial: - Practical project walkthroughs that allow for hands-on learning - In-depth exploration of advanced features such as: - Custom entities and relationships - Advanced data integration - Security roles and permissions Ideal Skills and Experience: - Deep understanding of Power Apps and its model-driven capabilities - Experience in creating beginner-friendly tutorials - Ability to explain advanced concepts in an accessible way - Demonstrable experience with custom entities, data integration, and security roles in Power Apps - Strong instr...

I'm in need of a T-shirt designer who specializes in typography-focused designs. I have some reference pictures in a modern style that I would like to emulate.

I'm in need of an expert who can conduct a thorough security evaluation of my iOS application. The main focus will be on preventing content copying. This would involve: - Penetration testing: Simulating attacks to identify vulnerabilities. - Bug fixing: Addressing any issues that may be found during testing. - Vulnerability assessment: Comprehensive evaluation to assess the app's security level. The ideal candidate will have extensive experience in iOS application security, a solid background in penetration testing, and a proven track record of identifying and fixing bugs.

...mitigate these growing risks. From the unique vantage point in space, NASA collects critical long-term observations of our changing planet. NASA produces vast amounts of Earth system science data from satellites, radars, and ships, as well as model outputs, offering a wealth of opportunities for innovative thinkers to leverage these sources. The Sustainable Business Model Challenge is designed to identify and foster sustainable business models built around NASA's Earth system science data. This challenge invites entrepreneurs, researchers, startups, and innovators to use NASA's publicly available climate and Earth system data sources to create sustainable business models to address climate challenges. NASA is committed to broadening participation in its ...

I'm in need of a skilled VB.NET developer to help me create a program that can read and extract both personal details and biometric data from a Malaysia identity card using Dermalog. The program will also need to verify a thumbprint in real-time. Key Requirements: - VB.NET programming skills - Experience with reading data from identity cards - Familiarity with Dermalog tools - Ability to implement real-time thumbprint verification Please note that I do not have the necessary Dermalog SDK or tools, so the freelancer will need to provide these. If you have previously worked on a similar project, please include a link to a sample of your work.

I'm looking for an experienced Web3 developer to help create a unique dApp on the Solana blockchain. The dApp will be designed for a fun, interactive, community-oriented purpose, much like a social network but with the added layers of decentralization and gamification typical of DAO platforms. Key Requirements: - Deep understanding and proven experience in developing decentralized applications (dApps) - Proficiency in the Solana blockchain - Familiarity with DAO principles and gamification techniques - Strong skills in blockchain integration and smart contract development - Creativity and ability to design engaging, user-friendly interfaces Your bid should reflect your ability to deliver a high-quality, engaging dApp that meets these specifications.

Our platform automatically generates slides in HTML format and our clients need PowerPoint versions so that they can edit them as needed. We have already started building a standalone component in Java and we're looking for someone to help work on it. You can see an example of the current state in the attachments. The PDF exports of the HTML slides work well, however, PPTX not so. As you can see in the attachments, the PPTX should look much more like the PDF version. We're looking for an experience Java developer with experience in HTML and Javascript for this project.

...com/document/d/1cbn_z3LyoJab8b49haDdTmvQfWvp-vJsgnsDB5bsvNg/edit?usp=sharing Landing Pages: Key Responsibilities: - Collaborate with our development team - Develop new features and functionalities - Optimize app performance and resolve bugs - Write clean, maintainable code - Stay current with Flutter's latest technologies - Prepare and maintain technical documentation for new features and functionalities - Write unit tests to ensure code robustness and reliability - Conduct regular code reviews to ensure quality and compliance with best practices - Assist in the deployment of app updates to app stores Your Experience Should Include: - Proficiency in Dart and Flutter - Familiarity with state management solutions - Understanding of RESTful APIs and JSON - Exp...

I'm seeking an experienced and SEO professional to assist me with website optimizations and SEO enhancements. We will work together on a shared screen, reviewing various aspects of the site. Key Topics to Cover: 1. Content Management 2. Performance Optimization (Focus on Page Load Speed) 3. SEO (Emphasis on Keyword Optimization) 4. Plugin and Theme Maintenance 5. Security Check 6. Navigation and Usability 7. Analytics and Insights 8. Backup and Export 9. User and Subscriber Management 10. Design and Branding 11. Legal and Compliance 12. Customer Engagement The ideal freelancer should have a deep understanding of , excellent SEO skills particularly in keyword optimization, and a strong background in performance optimization. Experience with analysing page load speed

...good work, I will have more work for you. # Required Skills: - React + TypeScript expertise - Knowledge of Chrome Extension API and Content Security Policies - Chrome Extension development experience - Experience with browser automation - Understanding of DOM manipulation - API integration knowledge - TailwindCSS proficiency # Tech Stack: - React 18 - TypeScript - Zustand (state management) - Chrome Extensions API - TailwindCSS - Vite - Git # Nice to Have: - Background in test automation # Project Scope: - Enhancing existing extension functionality - Implementing new automation features - Improving UI/UX components - Writing clean, maintainable code - Creating robust error handling - Building test coverage The ideal candidate should be comfortable with modern web ...

...Product Cost: Supplier's listed price -15%. - Offer Price: Supplier's listed price +23%. - Sale Price: Supplier's listed price +23%. - Description - Images - Product Name - Inventory by Variant - Variants (color, size, etc.) - This update must occur daily at 4 AM GMT-5 - SKU I understand that Mercado Libre and similar platforms sometimes update their anti-scraping security measures. Therefore, I need a long-lasting, robust code that will remain functional over time. In case of failure, I require lifetime support as this functionality is the core of my operation. My website is: Please provide the implementation timeline and cost. I’ve already had a freelancer do it poorly, resulting in wasted time and a refund. I request honesty—if you are cap...

I'm seeking a seasoned professional with extensive k...seeking a seasoned professional with extensive knowledge and experience in network firewalls. Your primary task will be to thoroughly check my firewall for security vulnerabilities, performance issues, and compliance with relevant regulations. Key Responsibilities: - Perform a comprehensive security audit on the network firewall to identify potential vulnerabilities. - Assess the performance of the firewall and identify any issues that may hinder optimal operation. - Ensure that the network firewall is in compliance with all relevant regulations. Ideal Skills: - Proven experience with network firewalls. - Strong understanding of security protocols and compliance regulations. - Excellent troubleshooting and p...

I'm looking for a cloud-based system designed to manage mini storage facilities. This system should be able to handle various aspects of storage unit management, including: Website Online Rentals Online Bill Pay For Tenants with Credit Card Authorization Automatic Invoicing (Rent, Late Fees, Etc) Electronic Signature For Lease/Agreement Gate Integration Interactive Site Map Payment Gateway Integration Lease Agreement Templates Multiple Facility Login (You Can Toggle Between Locations) 100% Web-Based (You Can Access From A Smartphone, Tablet, Desktop, Or Laptop) Automated Emails & Text Messages (Past Due Notice, Invoice, Lockout, Etc) Must export accounting records to ZOHO books automatically Must be compatible with Stor-Guard gate operatin...

Create a real estate website similar to Scrape data from livabl to be used for my new we...Information: Legal information and disclaimers. Key Features to Implement: Responsive Design: Ensure the site is mobile-friendly and adapts to various screen sizes. SEO Optimization: Implement best practices for search engine optimization to increase visibility. Performance Optimization: Focus on fast loading times and efficient performance. Security Measures: Implement SSL certificates, data protection protocols, and user privacy safeguards. Content Management System (CMS): Use a robust CMS to manage listings, articles, and other dynamic content. Analytics Integration: Set up tools to monitor user behavior, traffic sources, and other key metrics. Plus few more small features.

I need a skilled PCB designer to create a circuit board capable of measuring distances using a laser sensor (or ultrasonic). This system should have adjustable ranges and provide alerts through both vibration and sound. Furthermore, the design should incorporate a SIM for communication, virtual human sensors and a GPS module for real-time location tracking. Ideal Skills and Experience: - PCB design - Knowledge of laser sensors - Experience with SIM and GPS modules - Understanding of vibration and sound alert systems - Ability to create designs for adjustable range systems Please note, the system will need to provide real-time tracking, so experience with designing for this capability is essential.

Since personal security has recently appeared to be the most important problem in society, it threatens especially sensitive categories, like women, children, students, and seniors. The innovation of this project is applied in the idea of developing a mobile application called Silent Help, in which users can send an SOS emergency alert along with their live location to their contacts and local authorities through simple voice commands. The app will be activated when an individual feels unsafe and is unable to access their phone; at this point, the app is triggered by either a pre-set or customizable trigger word. The Silent Help application uses high-end voice recognition along with GPS functionality in order to share the location in real-time. Once the SOS comm...

I'm looking for a skilled WordPress developer to create a website for my monthly eMagazine, complete with SEO and security features. The site should: - Allow for easy upload and display of new eMagazine issues on a monthly basis, with an archive of previous issues for easy access. - Feature a clean, professional, and user-friendly design, with a mobile-friendly (responsive) layout. - Be SEO-friendly to improve visibility on search engines, with basic on-page SEO setup included. Security is also a key concern. The site will need: - A secure hosting setup. - Protection against common website attacks, particularly an SSL certificate and firewall setup. The site should be easy to use, with a user-friendly backend for uploading new eMagazine issues, ideally using WordPres...

I'm looking for a skilled professional to craft compelling brand descriptions for my service-based company, which also offers both physical and digital goods. Your job will be to encapsulate the essence and value of our offerings in a way that resonates with our target audience. Ideal skills and experience: - Proven experience in brand development and copywriting - Understanding of service-based and e-commerce industries - Ability to create engaging and persuasive content - Knowledge of both physical and digital goods

I'm seeking an expert in stock price prediction who can leverage GPT-3 to forecast market indices. The historical data source will be Yahoo Finance, and I need the freelancer to not only perform the prediction but also secure the data with hashing to ensure its integrity. Key Tasks: - Utilize GPT-3 for predicting market indices - Use Yahoo Finance for historical data - Implement data integrity measures via hashing Ideal Skills: - Proficiency in using GPT-3 - Experience in stock market analysis - Knowledge of data security measures - Familiarity with Yahoo Finance

...looking for an experienced developer who can create a fully automated, hands-free futures trading system for Quantower. The system needs to be well-designed, backtested, and displaying a small drawdown while aiming to capture a wider spread. Key Requirements: - Implement key features such as take-profit targets and stop-loss mechanisms. - Backtesting capabilities: The system should be able to test its effectiveness on historical data before real-time trading. - Low drawdown: The system should exhibit a small drawdown, indicating a stable performance under various market conditions. - Wide spread capture: The system should be designed to aim for capturing a wider spread. The trading system should be capable of trading in commodities. I ...

...specifically designed for managing KVM-based virtual machines. The control panel should include features similar to platforms like Virtualizor, ConvoyPanel or Virtfusion. Below are the key features and requirements: - Key Features Proxmox Integration: Seamless integration with Proxmox for managing KVM virtual machines, including creating, deleting, and managing VMs, accessing the VNC console, and configuring disk and network settings. - VPS Management: Full control over VPS instances, such as starting, stopping, restarting, and other management capabilities. - Resource Monitoring: Real-time performance statistics (CPU, RAM, disk usage, network bandwidth) for each VPS, ensuring efficient monitoring and management. - Billing System: Integration of a robust billing sys...

I'm looking for a freelance sales executive to work across all major cities in Tamilnadu. This role involves selling physical products in the consumer goods and healthcare sectors. Key Responsibilities: - Generating leads - Closing sales The ideal candidate should have a proven track record in sales, preferably within the specified industries. Experience in reaching and exceeding sales targets is a must.

I'm looking for a professional developer who can create a tool similar to Burp Suite for my existing business. Key Requirements: - Comprehensive knowledge in web security tools development. - Experience with creating intercepting proxies. - Familiarity with Pentesting. Please share your relevant experience in your application, particularly any projects you have worked on that are similar in nature. The urgency of this project cannot be overstated, so only those who can start immediately and are able to deliver promptly should apply.

...integration. Testing and bug fixing. Phase 3: Deployment & Training (1 week) Website deployment and final testing. Client training (if required). Project Budget: To be determined based on the project scope, features, and freelancer's hourly rate or fixed price. Consider separate costs for design, development, content creation, and ongoing maintenance (if applicable). Clearly outline payment milestones in the freelancer.com agreement. Communication & Collaboration: Regular communication through Freelancer.com messaging system or other agreed-upon channels. Weekly progress updates and feedback sessions. Use of project management tools (e.g., Trello, Asana) for task tracking and collaboration (option...

I'm seeking a UGC creator from the US to join our team of content creators. The role involves producing high-quality, engaging, educational TikTok videos. Key Requirements: - Please note, we're exclusively looking for creators from the US or UK - The content should be video-focused, specifically tailored for TikTok - The style of the videos should be educational, aimed at informing and engaging viewers - Prior experience with TikTok is a significant plus Ideal Skills: - Video production and editing - Creative thinking and content ideation - Strong understanding of TikTok's platform and audience - Excellent communication skills

...and reduce hair loss triggered by androgenic alopecia. i need you to tell me where to buy the ingredients and how to mix them and the specific ratios I need you to also mention if this formulation can be saftely mixed with minoxidil or not I need two formulation: 1- is water soluble and non greasing, doesn't weigh down the hair and is derma roller safe 2- the other formulation cab be oil based and it needs to be safe for derma roller as well it must contain some of the below ingredients (Suggest other natural ingredients proven to block DHT or promote Blood flow circulation) - saw palmetto extract - pumpkin seed oil - Rose marry extract - Caffeine - Biotin (answer if it can be added at home, how?, where can i buy it etc) - Tea Tree Oil - Melatonin (answer if it ca...