Carnauba Wax.

Carnauba wax, also known as palm wax or Brazil wax. It is known for coating candy and used in many foods. It is also used in cosmetics, as a coating for dental floss, automobile wax, molds for semiconductor devices, and furniture wax/polish. It is an extremely useful natural chemical and renewable resource that doesn't have a synthetic equivalent.

It is non-toxic and hypoallergenic.