Biolage Ultra Hydra Source Shampoo - 13.5oz is a deeply moisturizing cleanser designed to hydrate and replenish very dry, thick, or coarse hair. Infused with Cupuaçu butter and filtered salicylic acid, it gently cleanses while delivering intense moisture. This shampoo helps reduce frizz and leaves hair feeling soft, supple, and manageable without stripping essential oils. Suitable for color-treated hair, it provides long-lasting hydration and enhances natural movement and shine.