For Volume. Ideal for all hair types. Your shape: Straight, wavy, curly. Your texture: Fine, medium, coarse. Special applicator directs spray at the roots for maximum volume, never too stiff or sticky. Thermasilk revolutionary formula contains heat-activated moisturizers that help lock in your hair's essential moisture that can be lost during heat styling-transforming a dull, lifeless texture into softer, silkier hair.