Redken Acidic Grow Full System Scalp & Hair Serum is a lightweight leave-in treatment designed to care for both the scalp and the hair. Its fast-absorbing formula helps support a balanced, healthy-feeling scalp while leaving hair feeling stronger and more resilient without any greasy or heavy residue.

Powered by pH-balanced technology with azelaic acid and a strength complex with caffeine and prebiotics, it helps hair appear fuller and denser while supporting scalp comfort. The serum helps visibly reduce breakage and promotes stronger-looking hair. When used as part of the complete Acidic Grow Full System routine, it helps reduce breakage from brushing and leaves hair looking healthier and thicker.

Key benefits:

• Leave-in serum for scalp and hair

• Lightweight, fast-absorbing formula

• Supports a balanced, healthy-feeling scalp

• Enriched with azelaic acid and a strength complex with caffeine and prebiotics

• Helps visibly reduce hair breakage

• Leaves hair looking fuller and thicker

• Suitable for daily use and all hair types

• Warm citrus fragrance with Italian lemon and neroli

Directions:
Apply to a clean, dry or damp scalp. Gently massage until fully absorbed. Do not rinse. Use together with the shampoo, conditioner, and densifying spray from the Acidic Grow Full System for best results.