Girlboss water proof and sweat proof glue is an adhesive m is an amazing water-based, non-toxic lace adhesive with a 2-4 weeks hold. Ideal for application of hair systems and hair units. This lace glue is odorless, humidity resistant, and waterproof under certain conditions. The product does not contain latex. The glue is applied white but dries to an invisible layer. This light bonding wig adhesive will give clients superior hold without damaging the lace or the edges. It should be stored at room temperature. Take it swimming after 24 hours of application.This product is lab tested and is skin safe for those with normal skin type