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Redken's Extreme Length Leave-In Treatment with biotin strengthens damaged hair and helps hair to grow longer and stronger
Heat protection up to 230°C
fuller hair with up to 1000* more strands in 3 months
depending on consumer use
while the inclusion of Ziziphus Joazeiro bark extract provides gentle cleansing
NIOXIN SYSTEM 4 TRIAL KIT Natural Finish Redken's Extreme Length Leave-In TreatmentNioxin System 4 Trial Kit targets progressed thinning for color treated hair. Includes shampoo, conditioner, and leave on treatment with niacinamide and caffeine. Clinically tested to add thickness and fullness in 30 days. Use 3 times week for best results.
