Redken Acidic Protein Amino Concentrate Hair Treatment is Redken’s most powerful backbar formula yet—engineered exclusively for professional use to target dry, damaged, and over-processed hair. Now improved with a creamier consistency for easier application, it’s expertly formulated to deliver high-impact strength and support protein balance during in-salon treatments. Powered by a 12% blend of cationic and amino acids, this intensive treatment visibly reduces surface damage in a single use when combined with Redken’s Acidic Moisture Concentrate and pH Sealer. Suitable for colour-treated hair and ideal for layering within a personalised backbar routine, it reinforces weakened strands and helps prevent future breakage. Professional-strength formula with 12% cationic + amino acids Balances protein levels and restores hair structure Reduces breakage and visibly minimises surface damage Creamy texture for better control and layering with Moisture Concentrate Suitable for colour-treated and chemically processed hair How To Use: After shampooing, apply up to 15ml (1 dose = 5ml) to towel-dried hair If needed, mix with Acidic Moisture Concentrate and apply evenly Leave on for 5 minutes – do not rinse Follow with Redken Acidic pH Sealer Avoid contact with eyes; rinse immediately if contact occurs Delivered in a convenient pack of 10 x 10ml doses, this salon-exclusive treatment is a staple for strengthening services that leave hair visibly healthier, stronger, and more resilient from the very first use.