Pureology - Strength Cure Shampoo 266mlBring back your good hair days. Underneath damaged hair, the healthy hair you had before remains. Reveal it with the Pureology Strength Cure gentle repair shampoo. By removing dull residue, hair is stronger, softer and shinier with maximum growth potential. Strength Cure features exclusive Asta Repair with Astaxanthin, a powerful nature derived antioxidant, plus Keravis, Ceramide and Arginine to help heal and repair damaged, micro scarred hair.