RAPID REPR BOND BUILDER LVIN MASK 3.38OZ. Benefits: Plant based bond technology targets damage to rebuild broken bonds and repair hair from the inside out. Weightlessly hydrating formula smoothes, adds shine and strengthens to prevent future damage. Silicone-free, natural leave-in mask intensely repairs split ends, conditions and detangles hair for silky smooth, frizz-free hair. Features: Clinically proven to repair hair from the inside out*. Reverses 85% of 1 years worth of damage after one use*. Clinically proven to improve split ends by 98% after 1 use***. No bad guys (parabens, sulfates, silicones). Made for all hair types and textures. *Based on an in vitro study using BondBuilder Shampoo, Leave-In Mask, and Finishing Oil. ***Based on microscopic image analysis using Bond Builder Shampoo, Leave-In Mask, and Finishing Oil. Key Ingredients: Natural Bond Builder+ Technology repairs the key structural protein of the hair from the inside out. Polycare Split Therapy Technology repairs and mends split ends. Hydrolysed Wheat Protein strengthens and adds moisture back to hair.