This deeply nourishing formula gently cleanses the hair and scalp, leaving hair clean and healthy with an incredible body. Biosilk Therapy shampoo is formulated with silk proteins that penetrate the hair shaft, for deep conditioning from root to tip. The gentle formula leaves hair clean and healthy without any build-up. When used regularly, the silk protein shampoo encourages healthy hair growth. For best results, combine with Biosilk Therapy conditioner, sold separately. The shampoo is safe for all hair types, including color-treated hair.Biosilk Silk Therapy Shampoo:Contains silk proteins that penetrate the hair, providing conditioning and incredible shineLeaves hair soft, shiny, and luxuriousLeaves hair clean and healthy with no build-upIdeal for encouraging healthy hair growthSilk protein shampoo is ideal for all hair types, including dry and color-treated hair.Use with Biosilk Therapy conditioner for best results; conditioner sold separatelyHow to Use:Apply Shampoo to the scalp and work into a rich lather. Rinse thoroughly and repeat if desired. Use with BioSilk Silk Therapy Conditioner.