Amazon Protein Advance Formula After Treatment Shampoo + Conditioner Combo is a professional hair care duo specially formulated to maintain and enhance results after chemical treatments like keratin, smoothening, rebonding, or coloring, helping restore softness, strength, and shine while protecting hair from damage. This sulphate-free formula gently cleanses without stripping natural oils, while the conditioner deeply nourishes and smoothens hair, reducing frizz and improving manageability. Enriched with protein-based actives and conditioning agents, it supports hair repair, elasticity, and long-lasting smoothness, making it suitable for all hair types including treated, dry, and damaged hair.