Specially formulated for high humidity, heavy perspiration, and oily scalps giving you the strongest hold possible for ultimate performance. Designed to withstand higher temperatures than other adhesives and is waterproof giving you a long, strong hold even in the toughest weather conditions. The new adhesive formula absorbs light, avoids reflection and requires less product to give you a great hold that no one will notice. Free of harmful chemicals and is 100% safe for use on skin.