Redken Acidic Grow Full System Scalp & Hair Serum is a lightweight and formulated with azelaic acid and a 5% strength complex of Caffeine + Prebiotics to rebalance the scalp with moisture, promotingvisibly healthy-looking hair.

• Break-free: See the fullness of up to +5,000 hair fibers

• Scalp is instantly blanced out with moisture

• Delivers instant root-lift for volume

• Provides 2x stronger hair

• Lightweight and fast-absorbing, non greasy formula and finish

The Acidic Grow Full Density & Strength System provides a healthier feeling scalp that is balanced with moisture and instantly thicker, fuller looking hair that is 2x stronger