hallo,i have a question for you and i wanna advise,,have you ever use uv tattoo ink that is save or just have many negative effect for skin?? can you give some example after use that ink, its good or bad,,or just that wiil effect for just sensitiv skin?? because this first time i wanna use that ink my client wanna use that ink, but i dont wanna take much risk so i give explanation before i tattoing..ok that all thanks a lot, ill wait for the answear,,thanks so much..respect.