Intensive Bond building No 0

WHAT IT IS 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. 5.2 oz. Made in USA. WHO IT'S FOR All hair types, especially for those with visible damage. HOW TO USE IT Apply to dry hair, fully saturating each section. N.0 bottle should last 3-6 applications, based on hair length and density. Cosmetics - Haircare > Saks Fifth Avenue > Barneys. Olaplex.