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Magnesium Hydroxide

Magnesium hydroxide is an inorganic compound used in cosmetics for its absorbent, pH-adjusting, and soothing properties. It can help absorb excess oil on the skin, neutralize acidity, and provide a calming effect. It is commonly found in deodorants, antacids, and some skincare products.

MineralVegan
BenefitModerate 1.5 / 4
Oil control i1.5 / 4

Whether it can reduce excess sebum, shine, or greasiness — absorbents, sebum-regulating ingredients, and some acne actives.

Soothing i0.8 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

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Frequently asked questions

What is magnesium hydroxide used for in skincare?
In skincare, magnesium hydroxide is primarily used to absorb excess oil, making it beneficial for oily or acne-prone skin. It can also help balance the pH of formulations and provide a mild soothing effect.