Olaplex N°4CURL Bond Shaper™ Hydrating Curl Shampoo for Coily, Curly and Wavy Hair

What it is: A multi-action shampoo for stronger, defined, and more hydrated coils, curls, and waves in one use.

Hair Texture: Wavy, Curly, and Coily

Hair Type: Fine, Medium, and Thick

Hair Concerns:
- Curl-Enhancing
- Damage, Split Ends, and Breakage
- Dryness

Key Benefits:
- Instantly strong, infinitely defined, and seven-day hydrated curls
- Reduces breakage and protects length
- Cuts frizz in half, even in high humidity

Highlighted Ingredients:
- Patented 3D Bond Shaper Technology: Builds disulfide bonds to repair, strengthen, and define coils and curls.
- Hydra-Define Technology: Neutralizes damage, seals cuticles to lock hydration, and blocks humidity.
- Natural Oil Blend: Nourishing avocado and sunflower oils add moisture, softness, and definition.

Ingredient Callouts: Free of parabens, phthalates, mineral oil, and sulfates SLS & SLES. It is also cruelty-free.

What Else You Need to Know: No.4 CURL Shampoo works on a molecular level to strengthen, define, and hydrate curls and coils, cutting frizz in half and protecting length over time. The silky cream-gel prevents tangles and removes buildup without stripping for seven-day hydrated curls. This shampoo is great for all porosity levels and is color safe.

Fragrance Description: The Olaplex Signature Scent, Reimagined: Revitalize your senses with elevated notes of crisp and invigorating sugared mint complemented by a bright burst of grapefruit zest and ginger and a sophisticated, grounding base of crushed sage.

Clinical Results: When N°.4CURL and N°.5CURL are used as a system:
- 50% less frizz, even in high humidity

Based on a 2-week, 75-person consumer study:
- 96% agree hair was easier to detangle

In studies:
- 7 days of hydrated curls
- Stronger hair and less breakage
- Defined curl pattern