Mehron Barrier Spray™ was developed as an under base for 3-D Gelatin appliances to increase durability. Barrier Spray™ by Mehron is "wonder spray" that also works to insulate sensitive skin from harsh adhesives. Barrier Spray™ may be misted on top of finished powder makeup to set and preserve the makeup application. It can also be used under makeup to stop sweat or over makeup to set it after applying. Remove with Makeup Remover followed by soap and water.