STRENGTH CURE SHAMPOO 33.8OZ. Benefits: Restores and repairs damaged hair. Softens and protects color-treated hair. Highly concentrated formula allows for 75+ shampoos in a single bottle. Recyclable packaging. Key Ingredients: Keravis: A strengthening protein known to prevent hair breakage. Astaxanthin: A powerful antioxidant part of the exclusive Asta-Repair technology that helps heal and repair damaged hair. Formulated Without: Sulfates SLC & SLES. Parabens. Formaldehydes, Formaldehyde-Releasing Agents. Phthalates. Mineral Oil. Retinyl Palmitate. Oxybenzone. Coal Tar. Hydroquinone. Triclosan & Triclocarban.