Olaplex Number 0 Intensive Bond Building Hair Treatment (155ml) noticeably repairs and restores all hair types, especially those with extreme damage caused by chemical, thermal and mechanical factors. This intensive, bond-building treatment works at a molecular level, repairing broken bonds, protecting the follicles from damage, restoring elasticity, and increasing tensile strength.

Use as the first step in a two-part at-home system with No. 3 Hair Perfector to strengthen and repair all types of damaged hair. Free from DEA, gluten, aldehydes, formaldehyde phthalates & parabens. Cruelty-free & vegan-friendly.

Directions of use:

• Apply No. 0 to dry hair, fully saturating each section.

• Allow to process for 10 minutes.

• Do not rinse.

• Apply No. 3 Hair Perfector over hair, combing through as needed.

• Allow to process for a minimum of 10 minutes.

• Rinse, shampoo and condition.

• For best results, follow with No. 4 Shampoo & No. 5 Conditioner.