Acidic Grow Full System Scalp & Hair Serum
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Redken Acidic Grow Full System provides the fullness of +5,000 hair fibers.* The 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.
BEST FOR:
- Thin, flat hair
- Hair prone to hair fall and breakage from brushing
- Suitable for all Color-Treated Hair
KEY BENEFITS
- Instantly fuller, thicker looking hair*
- 2X stronger hair**
- 2X less breakage***
- Clinically-tested to hydrate the scalp****
- 91% of GLP-1 users agreed hair feels thicker*****
*When using system of shampoo, conditioner, serum, and spray
**System of shampoo, conditioner, serum, and spray vs. non-conditioning shampoo
***Tested to reduce breakage. System of shampoo, conditioner, serum, and spray vs. non-conditioning shampoo
****When using system of shampoo, conditioner, and serum.
*****In a consumer test when using system of shampoo, conditioner, serum, and spray; tested with GLP-1 users experiencing hair loss.
THE SCIENCE INSIDE
Azelaic Acidic rebalances the scalp mantle's acidic pH
DISCOVER Acidic Grow Full System Scalp & Hair Serum

HOW TO USE Acidic Grow Full System Scalp & Hair Serum
On damp or dry hair, spray Acidic Grow Full System Scalp & Hair serum onto the scalp and roots from about one inch away. Use fingers to massage into scalp. Do not rinse. Style as usual. For best results, use with Acidic Grow Full System Densifying Shampoo, Conditioner and Instant Densifying Spray.
WHY REDKEN PROS RECOMMEND IT
“As someone with the finest, most do nothing hair ever, I can say that I do like how this line gave me instant gratification after just one use with the system after my hair was blown out. Big fan of instant results over here.”
BEFORE AND AFTER
FREQUENTLY ASKED QUESTIONS
Answers to Your Frequently Asked Questions



