The simplyO Protein Booster Hair Treatment Green Breeze is a leave-in hair essence designed to infuse hair with vital proteins and moisture without the need for rinsing. Enriched with Hydrolyzed Protein, Biotin, and Natural Plant Oils, this treatment targets severely damaged areas to repair, strengthen, and smooth the hair cuticle. It dramatically reduces breakage, adds a beautiful shine, and leaves your hair with a refreshing "Green Breeze" scent, ensuring all-day protection and softness.