Nioxin scalp treatment no.3 chemically enhanced hair normal to thin looking activates the scalp and hair by breaking-down the sebum containing environmental residues and DHT and delivers vitamins and nutrients to the scalp and hair. BioAMP adds thickness from inside the cuticle and strengthens the hair shaft. Glyco-color shield provides clinically proven color protection for hair and helps safeguard the scalp from the drying effects of chemical services. Transactive delivery system is a time released delivery system formulated with vitamins that provide moisturizing nourishment for the scalp and hair.