Add sulfuraminoacids (methionine and cystine), the basic component of hair, to nourish the hair.
添加含硫氨酸(蛋氨酸与胱氨酸),毛发的基本成分,以滋养被毛。
2
The above results suggest that hair melanin iss complex random polymer, formed by a very complicated process of oxidation and copolymerization of both sulfur-containing and non-sulfuraminoacids.