Repairs, protects and strengthens.

A weekly at-home treatment, not a conditioner, that reduces breakage and visibly strengthens hair, improving its look and feel.

PRO TIP: Prime your hair for deeper repair with our professional-inspired No.0 Intensive Bond Building Hair Treatment (sold separately). Use No.0 as the first step in a two-part at-home system with No.3 Hair Perfector to strengthen and repair all types of damaged hair.

Scientifically Proven:
68% more repair & 3x stronger hair*
*When used as a two-part system in just one use.