A Pimple That Appears Dark
Puzzle 12 of Alice in Wonderland Piece of Cake Pack
Question is: A Pimple That Appears Dark
and the answer is: BLACKHEAD
Word Meaning:
BLACKHEAD — (countable, medicine) A type of comedo, a skin blemish, a type of acne vulgaris, where a pore becomes clogged with a dark, hard, cheesy keratin-filled substance forming a hard black "head" on the skin's surface.
Definitions from Wiktionary.