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Nº.4CURL BOND SHAPER™ Hydrating Curl Shampoo
Nº.4CURL BOND SHAPER™ Hydrating Curl Shampoo — image 1Nº.4CURL BOND SHAPER™ Hydrating Curl Shampoo — image 2Nº.4CURL BOND SHAPER™ Hydrating Curl Shampoo — image 3Nº.4CURL BOND SHAPER™ Hydrating Curl Shampoo — image 4
Olaplex

Nº.4CURL BOND SHAPER™ Hydrating Curl Shampoo

4.2 out of 5 · 17 reviews
$16.00
● In stock
Size
Travel Size (100ml)
  • Instantly strengthens and defines curls
  • Provides 7-day hydration for coils
  • Reduces frizz by half, even in humidity
Free US shipping on orders over $75.00; otherwise $5.99 · 30-day returns · Sold by Cartivo (demo store — payments are simulated)

About this item

Key benefits ✓ Instantly Strong ✓ Infinitely Defined ✓ 7-Day Hydration ✓ Reduces breakage and protects length ✓Cuts frizz in half, even in high humidity ✓ Instantly easier detangling and static control When Nº.4CURL BOND SHAPER™ HYDRATING CURL SHAMPOO & Nº.5CURL BOND SHAPER™ HYDRATING CURL CONDITIONER are used as a system Details Curls are structurally unique–more bonds, more bends, more prone to breakage. This shampoo for coily, curly, and wavy hair delivers multi-action care to instantly strengthen, define, hydrate and target your hair’s unique combination of needs, no matter your pattern. Powered by patented 3D Bond Shaper™ Technology and Hydra-Define Technology™, N°.4CURL works on a molecular level to instantly strengthen and infinitely define coils and curls, cut frizz in half, and help protect length over time. The silky, creme-gel formula provides essential slip to prevent tangles. It removes buildup without stripping for light, clean hair between wash days for 7-day hydrated curls*. For all coils, curls, and waves, and all porosity levels. Trichologist Approved. Stylist & Dermatologist Tested. Vegan. Color-safe and suitable for chemically treated hair.

Specifications

Size3.3 fl oz (100 ml)
Cruelty-FreeYes
Hair ConcernCurl Definition, Breakage, Frizz, Dryness
Sulfate-FreeYes
Silicone-FreeYes
Fragrance-FreeNo
Key IngredientsPatented 3D Bond Shaper™ Technology

Customer reviews (17)

What customers say: This shampoo is highly praised for defining curls, controlling frizz, and reducing breakage, making hair feel stronger and more hydrated. A few find the small travel size to be a drawback, and some experienced dryness or residue.
★★★★★

Excellent detangling

Brianna A. · 2025-11-22 · Verified purchase

Detangling my curly hair has become so much easier with this product.

★★★★★

Great for dry curls

Mina C. · 2026-08-13 · Verified purchase

My dry curls feel so much more hydrated and manageable now.

★☆☆☆☆

Dried out my hair

Brianna R. · 2026-06-18 · Verified purchase

Despite being hydrating, this shampoo made my wavy hair feel incredibly dry and brittle after just a couple of uses. It stripped my hair instead of adding moisture, which was really disappointing. I definitely won't be repurchasing.

★★★★★

Impressive curl definition

Calvin L. · 2025-11-24 · Verified purchase

This shampoo works wonders for my wavy hair. My waves are more distinct and less frizzy than before. The hydration lasts for several days, keeping my hair looking fresh.

★★★★☆

Good for frizz, not a miracle

Tanya M. · 2026-08-15

The shampoo definitely helps with frizz and keeps my curls fairly hydrated for a few days. My hair feels softer after using it, but I still get some minor breakage. It's an improvement over my old shampoo, though.