OLAPLEX No. 4 Bond Maintenance™ Strengthening Hair Repair Shampoo + Hexylresorcinol - a phenolic

+ Hexylresorcinol - a phenolic lipid that modulates the melanogenesis pathway via tyrosinase and peroxidase inhibition

+ Mica and iron oxides - an illuminating blend gives an instant glow and brightening effect immediately upon application while providing a universal tint that counteracts uneven tones in the skin

an antioxidant derived from the stem cells of the lilac plant

Use a water-resistant sunscreen if swimming or sweating

Provides hydration with a weightless finish

OLAPLEX No. 4 Bond Maintenance™ Strengthening Hair Repair Shampoo + Hexylresorcinol - a phenolicA hydrating shampoo that repairs and leaves hair healthier, smoother, and shinier with each use. Proven to reduce breakage and strengthen all types of hair. Hair Concerns: Dryness Damage Split ends Breakage Shine Key Benefits: Gently cleanses hair Nourishes and hydrates hair Repairs damage and maintains hair health When paired with OLAPLEX No. 5 Bond Maintenance Conditioner this every wash routine produces softer, shinier, and healthier looking hair