Okay, the term 'slugging' doesn't exactly sound appealing, but hear us out.
If you look the term up on Reddit's Skincare Addiction Forum RN, you will be bombarded with pages of content.
So what is it? Well, you simply put a very thick layer of vaseline/petroleum jelly on your face.
Redditor user trainbangled says the name comes from going to bed "mucus covered. Slug-like."
"I woke up the next morning, and MY FACE HAS NEVER BEEN SO SOFT. I am reborn. I am a new woman. I was not a slug; I was a caterpillar in the cocoon. I've emerged, a beautiful butterfly. No new breakouts. My skin is smooth and happy and bouncy: everything it should be and never was."
Do your nightly skin care routine as normal, and just slap some Vaseline on top. By doing this, the jelly creates a barrier that holds in moisture and helps the skincare formula's work even better.