OZONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.
OZONE
Safety grade: A
A naturally occurring gas made from oxygen, ozone is used in skincare products for its potential to refresh and invigorate the skin. It works by boosting circulation and may help reduce the appearance of tired or dull skin.
Graded using: COSING.
Last verified: June 9, 2026