-The scientists at PHYTO have incorporated innovative Gatuline® Age-Defense, (walnut extract) to protect against free radicals.Black current seed oil rich in gamma-linolenic acid (GLA), anessential fatty acid to regenerate. -A lightweight, non-greasy formula that can be applied to the hair and scalp after shampoo helping to replace lost Tyrosine with a plant derived form of Tyrosilane® in order to boost the production of melanin, in turn slows down the graying of hair.