Olaplex No. 4 Bond Maintenance Strengthening and Reparative Hair Shampoo 250ml

A hydrating shampoo that repairs for healthier, smoother, shinier hair with each use—shown to reduce breakage and strengthen all types of hair.

Hair Texture: Straight, Wavy, Curly, and Coily

Hair Type: Fine, Medium, and Thick

Hair Concerns:
- Damage, Split Ends, and Breakage
- Dryness
- Shine

Key Benefits:
- Gently cleanses
- Nourishes and hydrates
- Repairs damage and maintains hair health

Highlighted Ingredients:
Gentle Blend of Coconut Oil-Derived Surfactants: Creates an easy lather that leaves the scalp and hair feeling hydrated. Glycerin, Behentrimonium Methosulfate, and Cetearyl Alcohol: Are a blend of humectants and conditioning agents.

Ingredient Callouts: Free of parabens, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, and triclosan. It is also gluten-free and cruelty-free.

Clinical Results: In a controlled study, results showed:
- 73% smoother, easier-to-detangle, more conditioned hair
- 49% reduction in breakage

In a controlled study, when used as a system with No.3 and No.5 (each sold separately): Hair was 90% smoother, more conditioned, and easier to detangle.