Redken, the power of science, recommended by professionals! Shine! Professional guarantee of shine*. Discover Acidic Color Gloss, the first range of gloss care products*, inspired by the number 1 hair color in the United States**, for 3 days of salon shine*** and long-lasting vibrant colors.* From Redken/ Gloss Up = shine **Shades EQ Gloss Etude Kline 2023*** Consumer tests after the application of Shampoo, Professional Shine Treatment, and Acidic Color Leave-In Treatment Gloss Fall for the Acidic Colour Gloss Leave-in treatment: - Long-lasting protection and added shine thanks to its invisible shield technology (pH 4.5-5.5) - Heat protection up to 230°C* to protect against heat damage