This Bamboo 28 Hour Sustainable Volume Spray from Alterna is a wonderful hair styling product, helping to give your hair a boost of volume. This fine, lightweight spray thickens each individual str&, resulting in natural looking, visibly thickened, full-bodied hair. Have noticeably more voluminous hair that boasts a healthy, glossy shine for up to forty eight hours! This ingenious sustainable volume spray works on even the thinnest & finest of hair, & is clinically proven to amplify your hair, every time.