formulated for use as a pressure sensitive adhesive and glue for bonding hair replacement systems to skin and scalp. To guarantee excellent quality, remarkable performance, and safety, our products are meticulously tested after being designed, produced, and examined. VISIBLE BONDING FOR POLY & LACE SYSTEMS: Ghost Bond XL Adhesive forms an invisible bond after application and is safe to use on both poly and lace hair replacement systems. For both men and women, this invisible bonding helps to conceal your hairline and gives your wig or toupee a natural appearance.