Densifying Spray Transform the appearance of thin, flat hair with the targeted solution of the Redken Acidic Grow Full System Instant Densifying Spray. This advanced, lightweight leave-in spray treatment is scientifically proven to reduce hair fall due to breakage from brushing, making it your essential daily step toward visibly thicker-looking and fuller hair. Combat the signs of low density and fragile strands with this powerful densifying spray designed to instantly boost volume and improve the overall resilience of your hair fiber. Experience the power of our high-performance formula, fueled by potent AZELAIC ACID and a 5% Densifying Complex. This breakthrough combination works immediately to deliver instant root-lifting volume, creating the look of more hair from the scalp. Beyond the immediate fullness, the formula also promotes a rebalanced, hydrated scalp environment-the foundation for healthier-looking hair. Use this Redken treatment daily for a noticeable difference in density and softness without weighing your hair down. For maximized, lasting hair density results, incorporate the Instant Densifying Spray into the complete NEW Redken Acidic Grow Full System. When used together, the system-including the shampoo, conditioner, and serum-works synergistically to rebalance the scalp with hydration and create a long-term denser effect by coating the hair fiber and significantly reducing breakage. Stop worrying about fragile strands and start enjoying the look and feel of stronger, fuller, and more resilient hair as it grows as usual. Densifying Hair Serum Unlock the secret to visibly fuller, denser hair with the revolutionary Redken Acidic Grow Full System Serum. Specifically formulated for individuals struggling with thin or flat hair, this lightweight, pH-balanced serum is your essential treatment to achieve thicker-looking strands and a healthier scalp environment. Scientifically proven to reduce hair fall due to breakage from brushing, this powerful serum works to minimize fragility, allowing your hair to look and feel its maximum potential. Say goodbye to the look of limp hair and embrace the appearance of renewed volume and strength. The magic of this intensive scalp and hair serum lies in its expert blend of AZELAIC ACID and a 5% Hydrating Complex. This potent, fast-absorbing formula works deep to deliver triple benefits: instantly promoting a fuller-looking and thicker-looking hair appearance, rebalancing and hydrating the scalp, and providing significant strengthening benefits that lead to up to 2x less breakage*. Incorporate this daily serum into your routine to transform the quality and density of your fine or flat hair. For optimal, lasting results, use the Redken Acidic Grow Full System Serum as part of the complete NEW Acidic Grow Full System, which includes the shampoo, conditioner, and spray. This comprehensive system is engineered to rebalance the scalp with essential hydration while instantly creating denser-looking hair. By coating the hair fiber and reinforcing its structure, the system ensures your hair not only looks and feels fuller but remains strong and healthy as it grows long as usual. Maximize your hair's volume and resilience today. *Based on a high repetition, instrumental brushing test vs classical shampoo on bleached hair