What it is
Oxygen is the common elemental gas that makes up part of the air. In cosmetics it appears on ingredient lists for products marketed as oxygenated or that incorporate oxygen into their formula or delivery. It is included as a conditioning element rather than as a structural or active component.
Safety & warnings
Oxygen as listed in cosmetics is not associated with irritation, sensitization, or comedogenicity.
Origin & sourcing
Oxygen is a naturally occurring element and the gas is obtained primarily from air.
Questions everyone asks
Why is oxygen listed in a cosmetic?
It appears in products marketed as oxygenated or that incorporate the gas into the formula, where it is included as a conditioning element.
Is oxygen in skin care a special active?
No. It is the ordinary elemental gas and is listed as a conditioning element rather than a structural or active ingredient.