Olaplex No.4 Bond Maintenance Shampoo is a highly concentrated, reparative shampoo designed for all hair types. It strengthens and hydrates hair, reducing breakage and frizz. The formula is color-safe, vegan, and free of sulfates and parabens, making it suitable for chemically treated hair. Key Features Strengthens and hydrates hair Reduces breakage Color-safe and vegan Free of sulfates, phthalates, parabens Suitable for chemically treated hair Gently cleanses without stripping moisture Contains coconut oil-derived surfactants Provides abundant lather Improves hair softness and shine Recommended with Olaplex No.5 Conditioner Aqua (Water), Sodium Lauryl Sulfate, Sodium Chloride, Bis-Aminopropyl Diglycol Dimaleate, Glycerin, Cocamidopropyl Betaine, Panthenol (Pro-Vitamin B5), Citric Acid, Fragrance (Parfum), Disodium Edta, Benzyl Alcohol, Phenoxyethanol, Potassium Sorbate.Innovative haircare brand known for bond-building technology and reparative products.Apply To Wet Hair, Lather Thoroughly, And Rinse Well. Follow With Olaplex No.5 Bond Maintenance Conditioner.For external use only. Avoid contact with eyes.