Ethyl Chloride is a fast acting local anaesthetic which can be used to numb the skin before a piercing. It is in liquid form that comes in a spray bottle which is propelled by its own vapour pressure meaning no CFCs. It creates a numbing effect by cooling the areas that is to be pierced. To apply, spray the liquid approximately 30cm away from the area to be numbed and spray. This spray is for external use only and should not be sprayed in the mouth or in any internal areas on the body such as the ears, eyes, nasal cavity or genitals.