pimple or zit!
Macula, dot, blemish, pigmentation...
pimple or zit.
The blemish was ugly
you have a huge blemish on your forehead!
The girl had a huge blemish on her face.
Blemish
To blemish is to spoil the beauty or perfection of something.
A word meaning "without blemish" is "impeccable." This term conveys the idea of being flawless or free from any faults or errors. It is often used to describe something that is perfect in quality or performance. Another synonym could be "unblemished."
zit
Blemish
Blemish.
Blemish, representation, symbol, trademark, characteristic, attribute, trait, criterion, standard, measure, goal, target, objective, importance...