As pure as you can find: 100% Cotton, Lead-Free Wicks; 100% Plant-Based Natural Essential Oils; and 100% Natural Soy Wax. No additives have been added to the soy wax candles sold by us. We are also proud to announce that the essential oils used to make our soy wax candles are 100% phthalate free. See our other FAQ on how soy wax candles different from traditional candles.