Redken Acidic Grow Full System Scalp & Hair Serum 3.4 oz

Redken Acidic Grow Full System Scalp & Hair Serum is a lightweight leave-in treatment that delivers instantly fuller, thicker-looking hair and a rebalanced, healthy-looking scalp. Its 5% Strength Complex with azelaic acid restores the scalp mantle's acidic pH for an optimal environment for healthy hair.

Clinically tested to hydrate the scalp, this daily no-rinse serum strengthens fine, thin hair prone to breakage. Use with Acidic Grow Full Densifying Shampoo and Conditioner for 2X stronger hair. Safe for color-treated hair. 3.4 fl oz / 100 ml.

• Instantly fuller, thicker-looking hair
• Leave-in formula — no rinsing required
• 5% Strength Complex with azelaic acid rebalances scalp pH
• Clinically tested to hydrate the scalp
• Lightweight — ideal for thin, flat hair