**GREEN CLAY: Health Benefits, Side Effects, Uses, Dosage, Warnings?** Green clay is an amazing way that nature gives us for many ailments in an extremely efficient manner. It was already known and used in ancient times. Gandhi recommended. Nowadays, many people close to nature still use it. Animals, themselves, have never ... Add a few drops of essential oil (lavender, geranium, ..) and a tablespoon of vegetable oil coffee (olive, avocado, apricot ...) to the mixture.