Nanogen's famous and easy to use spray is designed to add instant thickness and volume to your hair in just a few sprays. Root Boost Hair Thickening Spray contains keratin, lifting polymers and a combination of caffeine and soothing niacinamide to care for your scalp. Heat activated proteins protect against damage from blow drying and give your hair extra volume. Light, non-greasy formula in an easy to use spray.
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