Product Overview Formulated for chemically treated hair with progressed thinning, this shampoo contains Glyco-Shield 2.0 technology to remove environmental build-up, fatty acids and sebum from your scalp and hair. A derma-purifying shampoo, it deeply cleanses the scalp and amplifies hair structure for thicker-looking hair. This is the first step in a three-part regime. Directions for Use Massage into scalp and hair then rinse well.