GKHair's Pro Line Hair Taming System With Juvexin The Best Juvexin Treatment revitalizes dry, rough hair with a powerful blend of Juvexin and natural oils. This innovative formula deeply locks in moisture and imparts a radiant shine, all without the use of formaldehyde.This treatment combats frizz and repairs damage from environmental stressors, while also protecting and enhancing hair color. Designed to rejuvenate and smooth, it leaves hair looking polished, healthy, and incredibly manageable.