redken - acidic bonding concenrate intensive treatment | 190 mL Holiday this serum can help promote

this serum can help promote hydration and a healthy barrier

soluble collagen

brighter and more awake

and balances moisture levels after one use

redken - acidic bonding concenrate intensive treatment | 190 mL Holiday this serum can help promoteDescription With 14% Citric Acid, this 5 minute rinse off treatment provides up to 2x stronger hair* and 14x* smoother results. *repeated grooming test on bleached hair. Pre treatment + ABC shampoo & conditioner vs. classic shampoo. Benefits: Combats 1 year of visible damage* *System of ABC Treatment, Shampoo, Conditioner & Leave in vs. undamaged hair. How to use: Before shampooing, apply to damp hair, leave for 5 10 minutes. Rinse. Follow with the