Strengthen and moisturize your hair with this Nioxin System 4 Trio. Formulated to add thickness and body to limp, thinning hair, this system features a unique delivery system that keeps the hair protected while nourishing the scalp and roots, resulting in more body and fullness. This product is suitable for all hair types as well as color-treated hair for versatile use. Features: Cleanse, moisturize and nourish the scalp and hair. BioAMP adds thickness from inside the cuticle and strengthens the hair shaft. Glyco-Fused Complex helps safeguard the scalp from drying effects caused by chemical services. Unique Scalp Access delivery system helps protect nutrients as they nourish the scalp and hair. Nioxin System 4 Advanced Starter Kit is a combination of 3 complimentary products, all of which are formulated to benefit people with thinning hair. This combination of products will eliminate the harmful hair loss causing DHT chemical as well as condition/shampoo your hair and scalp. Your hair's volume will increase and hair will become stronger from the root up. The Nioxin System 4 Kit is safe for all hair types and has been proven not to dilute color in color treated or regular hair types.