What it is
Zinc sulfate is made with zinc and sulfuric acid.

What it does
Zinc sulfate can induce a tightening or tingling sensation of the skin.
It is also used to cleanse skin and prevent body odour.

Side effects
Zinc sulfate does not help skin heal.

(Sources: cosmeticsinfo.org and paulaschoice.com)

About Gio

Hi, I'm Gio. I'm a no-nonsense, tell-it-like-it-is skin coach and writer on a mission to help you achieve your best skin day ever - every day. I bust skincare myths and debunk marketing jargon to help you figure out what's worth the splurge and what's best left on the shelf - using science, not hype. I also offer skincare consultations to help you create the best skincare routine for your unique needs.