Acidic Color Gloss Sulfate Free Shampoo - Redken Acidic Color Gloss Shampoo is a shine protection and color care sulfate-free shampoo for color-treated hair that extends color vibrancy for up to 32 washes*, provides intense molecular-level shine, and helps seal the cuticle to lock in shine.BenefitsExtends color vibrancy for up to 32 washes*76% shinier hair**Glass-like shineAcidic pH formulas seal the cuticle and lock in shine*system of acidic color gloss shampoo & conditionerIntense molecular-level shine**acidic color gloss shampoo + glass gloss treatment vs. unwashed color treated hairUltra-conditioned hairKey IngredientsAcidic Color Gloss has acidic pH-balanced formulas with amino acids + vitamin E to help seal the cuticle & lock in shine to protect color from fading & dulling caused by water & heat - Acidic Color Gloss Sulfate Free Shampoo