Redken Acidic Grow Full System Scalp & Hair Serum is a lightweight formula that rebalances scalp pH, adds moisture, and promotes denser, thicker-looking hair with our 5% Strength Complex formulation.

- Instantly fuller, thicker looking hair*

- 2x less breakage & stronger hair

- Clinically tested to hydrate the scalp

- 91% of GLP-1 users agreed hair feels thicker

- Lightweight and non-greasy

- Scalp is instantly rebalanced with moisture

- Instant root lift

- Safe to use on color-treated hair

Spray half an inch away from the scalp and roots on clean, damp hair. Massage into scalp with fingers. Can be applied daily on damp or dry scalp as desired.

Ingredients: Aqua / Water / Eau, Glycerin, Hydroxyethylpiperazine Ethane Sulfonic Acid, Caffeine, Peg-40 Hydrogenated Castor Oil, Sodium Hyaluronate, Phenoxyethanol, Citric Acid, Bifida Ferment Lysate, Saccharomyces/Rice Ferment Filtrate, Chlorphenesin, Propylene Glycol, Parfum / Fragrance, Tetrasodium Glutamate Diacetate, Pentylene Glycol, Azelaic Acid, Linalyl Acetate, Carvone, Linalool, Limonene, Citrus Limon Peel Oil, Citrus Aurantium Bergamia Peel Oil, Sodium Benzoate, Citral, Citrus Aurantium Peel Oil, Pinene (N70058696/3)