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Ingredient guide
magnesium carbonate
In short
Magnesium Carbonate is a lightweight mineral powder known for absorbing excess oil. It helps reduce shine and gives a soft-focus, brightened finish.
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Works for
Pores · Texture
Skin type
Oily
Best used
Anytime
What it is
Lightweight inorganic powder with high oil-absorption capacity; used in mattifying face powders, dry-texture gel-creams, and oil-control primers; the fluffy white texture also imparts a subtle brightening finish and reduces surface shine.
Also found as
Related
Where to find it
MAC Blot Powder
Make Up For Ever Ultra HD Setting Powder
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Common questions
It absorbs surface oil, reduces shine, and can subtly brighten the complexion. Its airy texture helps formulas feel light and matte.
Yes, its strong oil‑absorbing capacity makes it common in mattifying powders and primers that help manage visible surface shine.
It’s used in loose powders, oil-control primers, and some gel-creams that aim for a lightweight, matte texture.
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Personal guidance only · For clinical concerns, see a dermatologist.