Lather in lustrous, resilient hair. Joico K-PAK Reconstucting Shampoo is a gentle shampoo helps fortify weak strands and protects against damage Benefits: Repairs years of visible damage Instantly doubles hair strength Boosts shine Improves elasticity manageability Gently cleanses damaged hair Rich lather Key Ingredients: KERATIN: A protective protein found naturally in hair, actively seeks out damage and helps repairs hair by replacing lost proteins. The result? Stronger, healthy-looking locks. GUAJAVA FRUIT EXTRACT: Packed with antioxidants and Lycopene, which are known to help protect hair against UV damage. EVENING PRIMROSE OIL: A rich source of Omega-6 and Gamma-Linolenic Acid, an essential fatty acid that helps nourish hair back to health. SMARTRELEASE TECHNOLOGY: Their one-of-a-kind liposome delivery system packs a punch by continuously releasing Rosehip Oil, Arginine, and Keratin to help repair, strengthen, and protect hair from the cumulative effects of daily styling.