Liven up damaged and chemically treated fine hair with the System Professional Volumize Mask; an intensive weekly treatment that works to strengthen from root to tip. Penetrating deep into hair fibres to reinforce structure from within, the hair mask fortifies fragile locks, whilst creating texture and definition for a style that is full of body, bounce and long-lasting volume. Hair will feel lighter, revitalised and full of life. After shampooing, apply a walnut-sized amount of product to the lengths, avoiding the scalp.Gently massage and leave in 5 minutes.Emulsify and rinse thoroughly. Benefits Leaves hair fuller-bodies. Gives long-lasting hair styles.