Defy Damage Protective Shampoo is for anyone with dry or damaged hair wanting a nourishing and strengthening shampoo. Joico Defy Damage Shampoo sloughs away dirt, impurities, and buildup without roughing up the hair cuticle or stripping vibrant colour. Exclusive SmartRelease Technology boosts hair's natural defence against all types of daily damage resulting in shiny, smooth, clean strands for resilient and healthy-looking hair.