Carnauba wax is nontoxic and is Generally Recognized As Safe (GRAS) by the US Food and Drug Administration (FDA) as both a direct and indirect food additive.1
Tom’s of Maine recognizes that no two people are alike, and even with naturally derived ingredients, some individuals may develop an allergic reaction that is unique to them. As with any product, be sure to discontinue use if you experience discomfort or other indications that the product may not be appropriate for your individual body chemistry.
1 21 CFR 184.1973