A professional-inspired, intense treatment that primes hair for deeper repair, strengthens, and protects hair integrity. First step of the two-part, at-home system with No.3 Hair Perfector (sold separately).Smoothening,Strengthening,Moisturizing,Shining.Apply No.0 to Dry hair. Fully saturate from root to tip. Hair should be damp not drenched. Let process for 10 minutes. Do not rinse. Apply No.3 Hair Perfector directly over the hair, let process for 10 minutes. Rinse, shampoo & condition. For best results, use No.4 Shampoo and No.5 Conditioner.
