Olaplex No.4CURL Hydrating Curl Shampoo is a gentle, coconut oil-derived curl shampoo that cleanses without stripping moisture, powered by Olaplex's patented Bis-Aminopropyl Diglycol Dimaleate bond-repair technology. Formulated specifically for curly and coily hair types, this sulfate-free cleanser hydrates with coconut oil, sunflower seed oil, banana fruit extract, and noni fruit extract while supporting scalp health with rosemary, biotin, and oregano extracts.