This Is An Invisible Serum is a leave-in serum that provides soft texture and flexible control. It creates a casual, tousled, satiny, and lived-in look with anti-frizz effects. Adds shine and lasting, flexible separation to hair. Soft texture and flexible control Anti-frizz effect Casual, tousled, satiny look Adds shine and lasting separation HOW TO USE Apply a small amount of product to dry hair and style as you wish. It can also be used on damp hair before drying.