Guru Grip Adhesive Creme has an exceptional hold. This glue is a water-based, non-toxic lace adhesive capable of long wear up to 3 weeks. This adhesive is odorless, humidity resistant, and waterproof under certain conditions. The adhesive creme is initially white upon application, but dries to a clear layer. FOR BEST RESULT SHAKE THE BOTTLE 3-4 TIMES, CLEAN THE AREA WHERE THE GLUE IS BEING APPLIED WITH 91% RUBBING ALCOHOL,APPLY GLUE ON THE SKIN RIGHT IN FRONT OF HAIR LINE.