YouthLock Treatment Masque Formulated with Collagen - YOUTHLOCK TREATMENT MASQUE 5.1OZKey IngredientsSmart Release Technology: Joico's liposome delivery system packs a punch by continuously releasing a trifecta of healthy-hair ingredients - Rosehip Oil, Arginine, and Keratin.Collagen: Known to support healthy skin and hair, helps restore strength and elasticity to strands for healthy, youthful looking hair.Buriti Oil: Full of Antioxidants and Vitamins A and E, known to help restore dry, dull hair with hydration and shine.Arginine: A smart-bonding molecule with both positive and negative sites, helps to strengthen hair bonds and encourage bond renewal. - YouthLock Treatment Masque Formulated with Collagen