OLAPLEX Nº.3 Hair Perfector is infused with first of its kind and patented OLAPLEX Bond Building Technology™ for a pre-shampoo treatment that is proven to repair and strengthen hair from the inside out in as little as three minutes. OLAPLEX was the first to develop a bond building product that launched the bond building category. Although many products tout bond-building, none can do it in the way OLAPLEX does. No.3 is not a protein treatment or a hydrating mask. OLAPLEX Nº.3 Hair Perfector reduces breakage, visibly strengthens hair, repairs and protects deep within the hair strands and restores healthy appearance and texture and is loved by celebrities and media and is lauded around the world.