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Humidity resistant
reduces breakage and strengthens without stripping hair
Seal in moisture
6-inches in girth
Smooth Proof Leave-in Serum Vegan Humidity resistantFrizzy hair needs special treatment to control flyaways. Inspired by natures water resistant camellia, Biolage SMOOTHPROOF Serum for frizzy hair provides humidity control and anti frizz smoothness even in 97% humidity.* *When using the system of SMOOTHPROOF Shampoo, Conditioner and Serum vs. a non conditioning shampoo. Directions: Apply and warm one pump in hands. Run through damp hair with fingers and blow dry. Use on dry hair to control flyways or
