Ingredient guide
Magnesium Hydroxide
INCI name · 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.
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.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
When to use it
Mornings suit it best.
Also found as
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Common questions
What does Magnesium Hydroxide do for skin?
It helps absorb excess oil, which can reduce the look of shine and make skin appear more matte.
Is Magnesium Hydroxide good for oily skin?
Yes. Its oil‑absorbing properties can support a more balanced, less shiny appearance.
Where is this ingredient commonly used?
It is found in natural deodorants and some mattifying or oil‑control formulas.
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Personal guidance, not medical advice.