Joico K-PAK Hydrator Intense Treatment, 8.5 oz Instantly replenishes lost moisture to dry, damaged hair Boosts shine 2x softer hair Seals the cuticle Improves hair manageability and elasticity Keratin, a protective protein found naturally in hair, actively seeks out damage and helps repair hair by replacing lost proteins Guajava fruit extract is packed with antioxidants and lycopene known to help protect hair against UV damage Evening primrose oil is a rich source of omega-6 and gamma-linolenic acid, an essential fatty acid that helps nourish hair back to health SmartRelease Technology delivery system packs a punch by continuously releasing rosehip oil, arginine and keratin Helps repair, strengthen and protect hair from the damaging effects of daily styling Cruelty free