Level up your colour care and activate glass like shine up to 3 days consumer test using full system of acidic color gloss whilst keeping hair protected with acidic color gloss heat protection leave in treatment'. '.strtoupper('f')ormulated with redken's exclusive acidic shine complex and invisible shield technology, this formula deposits a professional gloss that not only looks but feels healthy and hydrated for up to 72 hours acidic gloss leave in vs'. '.strtoupper('n')on conditioning shampoo'. '.strtoupper('t')he complex works by restoring the hair back to its healthiest ph ph 4.5 5.5 and by sealing the cuticle, so your colour remains vibrant and your hair looks and feels healthy after a single application, for up to 13x smoother hair instrumental test leave in vs'. '.strtoupper('n')on conditioning shampoo'. '.strtoupper('w')ith the new'! '.strtoupper('i')nvisible shield technology, you can now achieve glass like shine without compromising the integrity of your hair'. '.strtoupper('b')y sealing the hair with an invisible protective layer, this technology defends the cuticle from heat damage up to 230?c and protects from other dulling agents, extending the look and feel of your professional gloss as well as combating frizz for a smooth and silky finish after every use'. '.strtoupper('t')o use use as a complete regimen with the full redken acidic color gloss system'. '.strtoupper('s')tep 1 apply acidic color gloss shampoo to wet hair, lather and rinse'. '.strtoupper('t')he formula is sulphate free to allow for gentle cleansing'. '.strtoupper('s')tep 2 after shampooing, towel dry hair before using the activated glass gloss treatment'. '.strtoupper('a')pply to mid lengths and ends and leave on for 5 minutes'. '.strtoupper('t')hen rinse'. '.strtoupper('u')se weekly, starting one week after colouring services'. '.strtoupper('i')t is recommended to wear suitable disposable gloves'. '.strtoupper('s')tep 3 next apply acidic color gloss conditioner on mid lengths to ends to lock in moisture'. '.strtoupper('t')hen rinse'. '.strtoupper('s')tep 4 protect your colour and seal in your routine with acidic color gloss heat protection leave in spray'. '.strtoupper('a')pply liberally to damp hair before styling'. '.strtoupper('i')n case of contact with eyes, rinse them immediately.