- This vitamin-enriched conditioner moisturizes while defining the shine and clarity of color-treated hair with ISO's exclusive Solar-Seal 3, a sun-activated polymer that protects hair color. Designed for all color-treated hair. Moisturizes while preserving hair color. Protects color with ISO's Solar-Seal 3 technology. Detangles and provides easy wet- and dry-comb. Cationic Conditioner: Eases comb-through and gives wet hair a smooth, slick surface. Emollient: Leaves hair silky and soft. Humectant: Balances moisture levels in the hair. Solar-Seal 3 (a blend of the following): Vitamin C: This powerful antioxidant helps protect hair color against damaging free radicals; UV Protectants: Blend of UVB inhibitors that condition and guard against UV-caused color fade; Low-Viscosity Silicones: Improve shine and comb-through, seal in moisture, soften hair and add shine. Apply evenly to cleansed, damp hair, leave on for 1-5 minutes and rinse.