NEW 2× 1oz Redken Acidic Bonding Concentrate Intensive Treatment Mask for Damaged Hair helps strengthen even the most damaged hair in 5 minutes. Redken Bonding Care Complex strengthens hair from the inside out**with continued use of Acidic Bonding Concentrate Intensive Treatment, Shampoo and Conditioner Repairs hair strength against damage Protects against color fade Conditions hair Reinforces weakened bonds in hair to improve strength and resiliency pH balancing formula defends against the negative effects of hair coloring and heat tools For all hair types Vegan formula with no animal derived ingredients 14x Smoother* 2x Stronger* 90% More Conditioned* 63% Reduction in Breakage* *When using Acidic Bonding Concentrate Intensive Pre-Treatment, Shampoo and Conditioner vs. non conditioning shampoo Authentic; Never tried or opened Retails $24 Price is firm unless bundling, so see my other listings to bundle and save!