Redken Acidic Bonding Concentrate 5 min Liquid Mask 8.5 oz Authentic Brand New Spend $39 or more and receive a complimentary product. Please select a product marked 'FREE' in the transaction and let us know. Redkens Acidic Bonding Concentrate 5-Min Mask is formulated with the most intensive Conditioning Care Complex to provide bonding care that melts into hair. With a high concentration of cationic agent and conditioning oils, the mask offers immediate detangling with an additional smooth, moisturized signature touch without the weight. This deep conditioning mask covers all client hair types and textures looking to immediately revive hair from damage and achieve healthier looking and feeling hair. Directions After shampooing, apply to wet hair from mid-lengths to ends. Leave on for 5-mins. Rinse thoroughly. Use at least once per week of as often as needed. Deep conditioning hair mask 72hrs of hydration Designed for all hair types and textures 5 minute mask 2 x stronger hair 14 x Better detangling Achieve healthier looking and feeling hair