Wig Glue, Lace Glue for Wigs & Hair Bonding Glues, Strong Hold Invisible Adhesive Hair Solution, Waterproof & Latex-Free, for Lace Front Wigs, Hairpieces Systems & Extensions (2 PCS). Whether you wear lace wigs, hair systems, or extensions, this strong-hold bonding glue ensures an undetectable, natural-looking hairline while resisting sweat, humidity, and oils.