Root Revival™ Anti-Gray Hair Growth Serum is a groundbreaking formula offering proprietary, award winning ingredients scientifically proven to prevent premature greying, as well as reactivate the production of melanin to stimulate the pigmentation of your natural hair color and aid in the growth of healthy hair follicles. Contains two award winning anti-gray formulations, 1% Darkenyl™️ and 2% Greyverse™️, as well as Biotin, Ginseng, Caffeine and more for optimal anti-gray hair growth. 100% vegan friendly.