Senscience Volume Boost Styling Foam is a versatile, weightless styling foam which pumps up every strand to leave your hair with natural-looking brilliance and long-lasting volume. Senscience Volume Boost Styling Foam 6.8oz. Senscience Volume Boost Styling Foam is a versatile, weightless styling foam which pumps up every strand to leave your hair with natural-looking brilliance and long-lasting volume. Quick absorbing formula contains Vitamins A, C & E, and Silk and Vegetable Proteins that provide anti-oxidant, anti-fade protection while nourishing and strengthening your hair.