Global Keratin Hair Taming System with Juvexin is a unique & patented formula containing proteins only available in GKHair products. Juvexin is a special blend of proteins & peptides made specifically for hair. This product restores softness & gets hair back to its youthful state. It allows hair to withstand heat & reduces breakage & frizz. GKHair Taming System with Juvexin is available in 3 different formulas for different hair types & is a professional in-salon treatment.