A professionally inspired, reparative hair treatment to rebuild bonds and repair the hair. Strengthen and protect the hair's integrity with the patented No.0 Intensive Bond Building Hair Treatment by OLAPLEX.

• Formulated with OLAPLEX Bond Building Chemistry
• Primes the hair for deeper repair and maximum bond rebuilding
• Use as a two-part system with No.3 Hair Perfector (sold separately) to strengthen & protect the integrity of damaged hair
• Scientifically proven to make hair 3 times stronger & 68% more repaired when used in the two-part system
• Vegan, colour safe, PH balanced & cruelty free
• Free from parabens, sulphates, phosphates, phthalates, gluten & nuts 

HOW-TO

1. Apply No.0 to dry hair, fully saturating each section. For thick or long hair, work in small sections to ensure each area is fully saturated.
2. Leave in for 10 minutes. Do not rinse.
3. Apply No.3 Hair Perfector (sold separately) over hair, on top of No.0. Comb through to evenly distribute product.
4. Leave in for a minimum of 10 minutes.
5. Rinse, shampoo and condition with No.4 Shampoo and No.5 Conditioner for best results.
6. Use the two-part system once a week or two-three times a week for damaged hair.