Olaplex No.0 Intensive Bond Building Treatment, 5.2 Floz

Start on dry hair

Apply No.0 to dry hair until each section feels fully wet, then leave it on for 10 minutes. Don't rinse yet. It's the first step in the two-part at-home system, made to prep damaged strands for No.3 Hair Perfector.

Layer in No.3

Work No.3 Hair Perfector over the No.0, then comb through where needed. Let it sit at least 10 minutes, rinse, shampoo, and condition. For best results, pair it with No.4 Shampoo and No.5 Conditioner. Weekly fits most hair; two to three times a week suits more damage.

Why this step matters

It's built to support deeper repair, strengthen hair bonds, and help protect hair integrity without fuss. Not turmeric kojic soap, not a hyperpigmentation treatment, and not a collagen production boost. Just a clear prep step for hair that's been colored, heat-styled, or stressed.

Before you buy

This item is excluded from extra discounts and coupon codes. Use it as directed, then keep the bottle close for the next wash day, when your hair feels rough at the ends, weak at the crown, or ready for a reset.