Magnesium oxide is a mineral compound used in cosmetics for its absorbent and opacifying properties. It can help control excess oil on the skin and provide a matte finish. In oral care, it may be used as a mild abrasive or to adjust pH.
NoneMineralVeganEvidence: Medium
BenefitMinimal 0.8 / 4
Oil control
RiskVery low 0 / 4
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
absorbs excess oil
provides opacity
mild abrasive
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In skincare, magnesium oxide primarily functions as an absorbent, helping to soak up excess oil and reduce shine on the skin's surface. It can also contribute to the opacity of a product, making it appear less translucent.
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