Infused with bond-building technology, the Olaplex No. 0 Intensive Bond Building Hair Treatment is an intensive treatment that primes hair for No. 3 Hair Repair Perfector (sold separately) to deeply repair, strengthen and protect hair integrity. Use as the first step in a two-part at-home system with No. 3 Hair Perfector (sold separately) to strengthen and repair all types of damaged hair. No. 0 Intensive Bond Building Hair Treatment contains the highest concentration of the patented bond building technology of any Olaplex at home product. Olaplex products feature first-of-their-kind, patented, bond-building technology, which relinks the broken disulfide bonds caused by chemical, thermal, and mechanical damage to the hair. This formula is made to work with every hair type, providing real, structural repair that works from within.

Hair Type: Straight, Wavy, Curly and Coily
Hair Texture: Fine, Medium and Thick

Hair Concerns:
- Damage/ Split Ends/ Breakage
- Shine
- Color Safe

Key Benefits:
- Primes hair to intensify benefits of No. 3 Hair Perfector (sold separately).
- Strengthens weakened bonds deep within the hair strand.
- Repairs hair from chemical, mechanical, and environmental damage.

Suggested Usage:
-Apply slowly to dry hair, distributing evenly from root to tip.
-Work No. 0 into small sections by squeezing the liquid into the hair to be fully absorbed as you go.
-Lightly saturate from root to tip. Hair should be damp, not drenched.
-Let process for 10 minutes.
-Do not rinse.
-For the complete treatment, apply No.3 Hair Perfector (sold separately) over hair with No.0 applied to it, combing through as needed.
-Let process for a minimum of 10 minutes.
-Rinse, shampoo, and condition.
-For best results, use No.4 Shampoo and No.5 Conditioner (each sold separately).