After Bite Classic Pen, comes in a very easy to use pen applicator that cares for your skin. Soothes the discomfort of bites and stings from insects such as mosquitoes, horseflies, wasps, bees, jelly fish and nettles.  Useful to have at home as well as for those exotic holidays. After Bite contains ammonia, which provides relief of itching caused by insect bites Fast relief contains a liquid emulsion formula containing Ammonia Neutralise insect bites and stings from Mosquitos, Horseflies, Wasps, Bees and Jellyfish with the skin thickening serum 1.5%. Neutered Insect Pain Relief & Salicylic Acid For Skin Inflammation.