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By adjusting the hair to its optimal pH value of 4
product buildup
concentrating the product on your mid-length to ends
It also has high concentrations of the rare omega-7
The unique pigment combination of purple and blue direct dyes is formulated to neutralize unwanted yellow undertones
No. 0 Intensive Bond Building Hair Treatment styling By adjusting the hair toPrimes hair to absorb nourishment for maximum repair 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. Scientifically Proven: 68% more repair & 3x stronger hair**When used as a two part system in just one use. APPLICATION