"Acne-prone skin" is the Engpsh term used to describe skin that is prone to developing acne. The term "acne" comes from the Greek word "akme," which means "point" or "spot," and is used to describe a condition characterized by the presence of pimples, blackheads, and other inflammatory eruptions on the skin.

Examples:

"I have acne-prone skin, so I need to be careful about the products I use."
(我的皮肤容易长痘痘，所以我需要小心使用的产品。)

"I'm looking for a moisturizer that is suitable for acne-prone skin."
(我正在寻找一种适合痘痘肌的保湿霜。)

"I've been using this cleanser for a week now and it seems to be working well on my acne-prone skin."
(我已经使用了一周这个洁面乳，它似乎对我的痘痘肌很有效。)