Purchase Black Henna Black Gold Hair Dye

I'm looking to buy black henne brand black gold hair dye. This is for personal use. The dye needs to be semi-permanent and, most importantly, it must not contain any harsh chemicals. Ideal skills and experience for the job would include: - Familiarity with hair dye products - Experience in sourcing beauty products - Knowledge of non-harsh chemical alternatives in hair dye Please only bid if you can guarantee finding this specific product. Thank you!