The Active Volume Mousse to fine and flat hair is a light but lost-lasting mousse. Helps fix your hairstyle naturally for a really light but great full and voluminous effect. Put 2-3 knobs of mousse in the palm of your hand, and spread it evenly over your hair from the roots to the ends, then dry and set as normal. Do not rinse. Shake well before use. Ecological mousse that contains no gas.