Unit count 100.0 millilitre. Hair Thickening Spray for Thin, Fine Hair: Thickening Tonic is an easy-to-use styling spray that instantly thickens thin or thinning hair. Product benefits Thickening. Won’t Weigh Hair Down: Thickening Tonic is a lightweight hair texture spray that can be applied directly at the root before styling and won’t leave hair feeling heavy, limp or greasy.
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