Redken Acidic Grow Full Instant Densifying Spray – For Thicker-Looking Hair

Densifying Spray: Lightweight leave-in treatment spray with 5% Densifying Complex for instant fullness and root lift. | Powered by Azelaic Acid: Azelaic acid and Densifying Complex immediately provide fullness and lift to hair. | GLP-1 Tested Proof: 91% of GLP-1 users agreed hair feels thicker when using the full system, per consumer test. | For Thin & Flat Hair: Lightweight spray lotion perfect for styling with heat tools up to 450°F. | Acidic Grow Full System: Use with Shampoo, Conditioner, and Scalp & Hair Serum for best results.