Fullers Earth is also called as multani mitti. It is very helpful in giving the relief from Prickly heat rashes. To do so, apply the fullerâ€™s earth paste. So as to make the paste, add one tablespoon of rose water into one teaspoon of fullerâ€™s earth. Apply it on the Prickly skin area nicely with finger and let it stay as it is for 15 minutes. Later, with plain water make the skin free from the paste and feel the soothing soft skin.