• 14x smoother hair* • Strength repair in one use* • Improves breakage reduction for 2x stronger hair* • Reinforce weakened bonds* • 90% more conditioned hair* • pH balancing acidic formula to bring hair back to healthy range • Citric Acid, an alpha hydroxy acid, which helps reinforce weakened bonds * When using Acidic Bonding Concentrate Intensive Pre-Treatment, Shampoo & Conditioner vs Non-Conditioning Shampoo. Use as a complete system Acidic Bonding Concentrate System. Step 1: Apply to wet hair, lather, leave-in 5-10 minutes and rinse. Step 2. Follow with Acidic Bonding Concentrate shampoo and conditioner.