Redken Acidic Color Gloss Heat Protection Leave-In Treatment Spray is the last step in the revolutionary glossing range Acidic Color Gloss. With an acidic pH-balanced formulas, this leave-in treatment extends salon-grade color, conditions, and provides intense, molecular-level shine. Perfect for color-treated hair, it's a must-have for at-home hair glossing, helping to seal in color and prevent heat damage.