Primes hair to absorb nourishment for maximum repair. A professional-inspired treatment that primes hair for deeper repair with the highest dose of patented OLAPLEX technology in any take-home product.
It rebuilds hair bonds, strengthens and protects hair integrity. Use as the first step in a two-part system with N°.3 Hair Perfector. Scientifically Proven: 68% more repair & 3x stronger hair* *When used as a two-part system in just one use. APPLICATION TIP: N°.0 bottle should last 3-6 applications, based on hair length and density.

Step 1: Apply No.0 slowly to dry hair, disturbing evenly from root to tip.

Step 2: Work No.0 into small sections by squeezing the liquid into the hair to be fully absorbed as you go.

Step 3: Lightly saturate. Hair should be damp, not drenched. Let process for 10 minutes. DO NOT RINSE.

Step 4: Apply No.3 over hair with No.0 still applied. Comb through and process for at least another 10 minutes.

Step 5: Rinse, shampoo & condition. For best results, use No.4 Shampoo & No.5 Conditioner.
Free of DEA, Aldehydes and Formaldehyde

All Hair Types
PH Balanced
Vegan
Cruelty Free
Nut Free
Paraben Free
Phthalates Free
Phosphate Free
Sulfate Free
Gluten Free