What it is
Zinc sulfate is a water-soluble zinc salt used at low levels for its mild astringent and conditioning properties, often in products aimed at oily or blemish-prone skin. It also supplies zinc ions that can support a balanced skin surface.
Safety & warnings
Used at low levels and generally well tolerated; concentrated solutions can be irritating.
Origin & sourcing
Inorganic zinc salt.
Questions everyone asks
What does zinc sulfate do?
It is a mild astringent and conditioning ingredient, often in products for oily skin.
Is it the same as zinc oxide sunscreen?
No, zinc sulfate is a soluble salt and is not a UV filter.