Use as a complete regimen with the full Redken Acidic Color Gloss system. Step 1: Apply Acidic Color Gloss Shampoo to wet hair, lather and rinse. The formula is sulphate-free to allow for gentle cleansing. Step 2: After shampooing, towel-dry hair before using the Activated Glass Gloss Treatment. Apply to mid-lengths and ends and leave on for 5 minutes. Then rinse. Use weekly, starting one week after colouring services. It is recommended to wear suitable disposable gloves. Step 3: Next apply Acidic Color Gloss Conditioner on mid-lengths to ends to lock in moisture. Then rinse. Step 4: Protect your colour and seal in your routine with Acidic Color Gloss Heat Protection Leave-In Spray. Apply liberally to damp hair before styling. In case of contact with eyes, rinse them immediately