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.