333.303—Definitions.
As used in this subpart:
(a) Acne.
A disease involving the oil glands and hair follicles of the skin which is manifested by blackheads, whiteheads, acne pimples, and acne blemishes.
(b) Acne blemish.
A flaw in the skin resulting from acne.
(c) Acne drug product.
A drug product used to reduce the number of acne blemishes, acne pimples, blackheads, and whiteheads.
(d) Acne pimple.
A small, prominent, inflamed elevation of the skin resulting from acne.
(e) Blackhead.
A condition of the skin that occurs in acne and is characterized by a black tip.
(f) Whitehead.
A condition of the skin that occurs in acne and is characterized by a small, firm, whitish elevation of the skin.