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Ingredient guide
magnesium hydroxide
In short
A mild alkaline mineral that helps control excess shine by absorbing oil. It is also used in gentle deodorants to create an environment that limits odour formation.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Pores
Skin type
Oily
Best used
Morning
What it is
Mild alkaline mineral used as a pH adjuster and oil-absorbing agent. Also functions as a gentle deodorant active in natural deodorant formulas by creating an environment less hospitable to odour-causing bacteria.
Also found as
Related
Where to find it
Schmidt's Sensitive Skin Deodorant Stick (Fragrance-Free)
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Common questions
It helps absorb excess oil, which can reduce the look of shine and make skin appear more matte.
Yes. Its oil‑absorbing properties can support a more balanced, less shiny appearance.
It is found in natural deodorants and some mattifying or oil‑control formulas.
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Personal guidance only · For clinical concerns, see a dermatologist.