Code of Federal Regulations Title 21. Food and Drugs § 21.347.3 Definitions

As used in this part:

Astringent drug product. A drug product applied to the skin or mucous membranes for a local and limited protein coagulant effect.

Lip protectant drug product. A drug product that temporarily prevents dryness and helps relieve chapping of the exposed surfaces of the lips;  traditionally called “lip balm.”

Poison ivy, oak, sumac dermatitis. An allergic contact dermatitis due to exposure to plants of the genus Rhus (poison ivy, poison oak, poison sumac), which contain urushiol, a potent skin-sensitizer.

Skin protectant drug product. A drug product that temporarily protects injured or exposed skin or mucous membrane surfaces from harmful or annoying stimuli, and may help provide relief to such surfaces.