Olaplex No.0 Intensive Bond Building Hair Treatment 155ml uk free postage. OLAPLEX professional-inspired treatment primes your hair for deeper repair, rebuilds hair bonds, strengthens, and protects hair integrity. Use as the first step in a two-part at-home system with No.3 Hair Perfector (sold separately) to strengthen and repair all types of damaged hair. Redesigned for a quick and targeted stream application, the No.0 Intensive Bond Building Hair Treatment features an easy to use nozzle that primes the hair and delivers the highest concentration of the patented bond building technology of any OLAPLEX at home product. Olaplex is the original patented and proven technology that helps in repairing, rebonding, and strengthening the hair from the inside out.