Redken Acidic Grow Scalp & Hair Serum 1.5 fl oz — Lightweight Leave-In with Azelaic Acid for Fuller, Rebalanced Scalp

Redken Acidic Grow Full System Scalp & Hair Serum is a lightweight, leave-in treatment designed to rebalance scalp pH while helping hair look thicker and more resilient.

This serum combines a pH-balanced base with Redken’s 5% Strength Complex to hydrate the scalp, help maintain a healthy-looking scalp environment, and give hair a fuller appearance without weighing it down. Fast-absorbing and formulated to be left in, the texture is featherlight so it layers easily with your styling routine and other Redken products.

How does this serum support scalp balance?

The formula is designed to restore a more acidic scalp environment, which can improve manageability and comfort. By supplying moisture in a lightweight form, it helps the scalp feel hydrated rather than overloaded.

• pH-balanced base to help normalize scalp surface
• Light texture absorbs quickly without residue
• Leave-in format for daily or targeted use

What ingredients are important in the Acidic Grow Full System?

Redken highlights a 5% Strength Complex including azelaic acid, chosen for its targeted activity within topical cosmetic formulations. The overall blend focuses on delivering moisture and support to the scalp while maintaining a light sensory feel on hair strands.

• Azelaic acid included in the 5% Strength Complex
• Hydrating agents to reduce dryness and tightness
• Designed to layer with other Redken treatments and styling products

How should I use the serum for best results?

Apply the serum to clean, towel-dried or dry scalp sections, parting hair to treat the roots directly. Because it’s a leave-in product, you don’t rinse it out; style as usual after application.

• Use daily or as recommended in your routine
• Apply directly to the scalp in targeted areas for even coverage
• Works under styling products and other Redken treatments

Will this serum change how my hair feels and styles?

The lightweight formulation aims to leave hair feeling naturally touchable while contributing visible fullness and moisture at the root line. It won’t create heavy buildup, so you can maintain your preferred styling finish.

• Adds a fuller-looking root appearance without weighing hair down
• Fast-absorbing for minimal stickiness
• Compatible with daily styling routines

Who is this for: Redken Acidic Grow Full System Scalp & Hair Serum is intended for people seeking a lightweight, leave-in scalp treatment that emphasizes pH balance and moisture while supporting a fuller-looking hairline. It’s suited to those who want a non-greasy formula that layers with salon-grade shampoos, conditioners, and styling products—ideal for visible-volume goals without altering your existing regimen.