Makeup
Cosmetics
noun, verbal noun
Change your face with cosmetics! This is via makeup or, of course, cosmetics.
The reading for 化 is a new reading, け. To remember this, think about someone putting on makeup. They finish putting it on, and then you say "K, show (けしょう) me!"
出産後お肌の調子が悪くってさ〜。前に言ってたおススメの化粧品の名前教えてくれない？
My skin has gotten worse since I gave birth. What was that cosmetic brand you recommended before?