Bullet Point:1. Pure natural plant refining, safe and reliable.2. Extremely saturated colors, fast coloring, long-lasting effect, not easy to fade.3. Non-toxic, non-irritating environmental inks.4. Suitable for professional tattoos, professional tattoo technicians.Notice: Skin test for allergies before use. If your skin is very sensitive, it is recommended to use this product on silicone practice pad for practice.