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Magnesium Oxide

Magnesium Oxide — a mineral compound used in cosmetics as a light absorbent of excess moisture and sebum, as well as a mild buffering agent to regulate the pH of the formula.

absorbent of moisture and sebumbuffering agentmineral compoundpH control
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5

What is it?

Magnesium Oxide — an inorganic mineral compound with light absorbent properties that effectively absorbs excess moisture and sebum from the skin's surface, providing a mattifying effect in powders and dry formulations. Mechanism: due to its alkaline nature, magnesium oxide can also act as a mild buffering agent that helps stabilize the pH of the cosmetic formula, although the main application of the component in decorative and functional cosmetics is related to its absorbing properties.

Mattifying powders and dry formulations, absorbent products for oily skin, buffering systems in formulations.

Key Benefits

✦
Effective absorption of moisture and sebum
Magnesium oxide effectively absorbs excess moisture and sebum from the skin's surface, providing a long-lasting mattifying effect in powders and dry formulations for oily and combination skin.
◈
Buffering function for pH stabilization
Due to its alkaline nature, magnesium oxide can act as an auxiliary buffering agent that contributes to stabilizing the pH of the cosmetic formula, ensuring better product stability.
✧
Functional role in decorative cosmetics
Magnesium oxide is widely used in decorative cosmetics (powders, foundations) due to its absorbing properties, which contribute to a long-lasting mattifying effect of makeup throughout the day.

Suitable for

oily skinformulations that require moisture absorption

Main Actions

✓ absorption of sebum and moisture✓ mattifying effect✓ pH buffering function
Magnesium Oxide: concentration

Magnesium oxide is usually used in small concentrations as a functional ingredient rather than a primary active component of the formula. INCI: Magnesium Oxide. Concentration: 0.5-5% in powders and absorbent formulations.

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