OLAPLEX - No. 0 Intensive Bond Building Hair Treatment - 155ml

What it is:A professional-inspired intensive treatment that primes hair for deeper repair strengthens and protects hair integrity leveraging the OLAPLEX™ patented bond-building technology.What it does:Primes hair to intensify benefits of No. 3 Hair Perfector (sold separately).Strengthens weakened bonds deep within the hair strand.Repairs hair from chemical thermal mechanical and environmental damage.