Olaplex Hair Perfector No.0 Intensive Bond Building Hair Treatment 5.2 oz

The No.0 Intensive Bond Building Hair Treatment primes the hair and delivers the highest concentration of the patented bond building technology of any OLAPLEX at home product. Product benefits: 68% more repair & 3x stronger hair, when used as a two-part system in just one use. Suggested use: Use the two-part system of No. 0 with No. 3 once a week, or two to three times a week for damaged hair