Redken Acidic Grow Full System provides the fullness of +5,000 hair fibers.* This lightweight, nourishing conditioner gently hydrates your scalp and nourishes thin, flat hair leaving it full, soft, and revitalized.
*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.