Product Details No.0 No. 0 Intense Bond Building Hair Treatment is best used as a two-part system with the No.3 Hair Perfector to fortify and restore all types of damaged hair. This intensive, bond-building treatment primes hair for deeper restoration while helping rebuild hair bonds, strengthen and preserve hair's integrity. Product Details No.3 Whether your hair is dyed, bleached or regularly straightened, No. 3 Hair Perfector gives your strands some TLC. this concentrated formula works deep to reduce breakage and correct damage. This is NOT a conditioning treatment or a leave-in treatment. It is meant to be shampooed out of the hair. No. 3 must process a minimum of 10 minutes. If hair is compromised, 20+ minutes is recommended. Once a week is suggested for healthy hair. For those with compromised hair, we recommend 2-3 times a week in combination with your favorite moisture and protein treatments where applicable. Product Details No.6 No. 6 Bond Smoother from is a leave-in styling cream that combats frizz, hydrates and protects all hair types including colored and chemically treated hair. This concentrated formula strengthens, moisturizes and speeds up blow-dry times while smoothing hair.