Dry hair often causes frizz, split ends and lack of shine. Inspired by the aloe plant that never seems to dry, Biolage Hydrasource Shampoo helps optimize moisture balance for healthy looking hair. Gives you up to 15x more moisturized hair after just one application. Hydrasource shampoo gently cleanses hair leaving it moisturized and shiny. Moisture levels in the hair are balanced, increasing softness and manageability. Paraben-free formula is also suitable for color-treated hair. Quench dry, thirsty hair with state-of-the-art formulas inspired by nature that mimic the moisture-retaining properties of the aloe plant. Hair's hydration levels are optimized through the absorption and retention of moisture.