Biolage Ultra Hydra Source Leave-In Cream – 6.8oz is an intensely hydrating leave-in treatment formulated to replenish moisture in very dry, coarse, or overprocessed hair. Enriched with aloe and cupuaçu butter, this rich, creamy formula smooths frizz, detangles, and restores softness without weighing hair down. It provides lasting hydration, enhances shine, and improves manageability—leaving hair feeling silky, healthy, and deeply nourished all day long.