Keep Away Insect Repellent by Simply Purity Soaps is very effective against gnats, mosquitos, flies, fleas and other pests. The ingredients are simple - organic witch hazel and beautiful essential oils. The witch hazel extract has been double distilled, and contains 86% witch hazel extract and only 14% alcohol. This makes it more soothing than the version found in your local store, and lacks the alcohol sting and scent. This extract is distilled from the twigs and bark of the witch hazel tree.