The phrase "to use a concealer" means to apply a type of makeup that can hide or cover up any blemishes, dark circles, or imperfections on your skin, giving you a more even complexion.
Sentences with «to use a concealer»
I do use concealer for my dark circles under my eyes (they're really bad and always have been) as well as over my acne scars. (nyxcosmetics.com)
While using a concealer brush, never blend it out. (stylecraze.com)
To really compare the two, I did multiple wear tests using each concealer under each eye. (collectivebeautyblog.com)