Magnesium Stearate
The magnesium salt of stearic acid, a soft powder. In cosmetics it binds pressed powders and gives smooth application and skin adhesion. Inert and safe.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
Frequently asked questions
Is Magnesium Stearate safe during pregnancy?
Magnesium Stearate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Magnesium Stearate for?
Magnesium Stearate suits: normal, dry, combination, oily, sensitive.
What is Magnesium Stearate and what does it do in cosmetics?
The magnesium salt of stearic acid, a soft powder.
What's the INCI name for Magnesium Stearate?
The INCI name is Magnesium Stearate.
See Magnesium Stearate in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Similar role in the formula
Other functional ingredients
Magnesium Sulfate, Maleic Acid, Maltodextrin, Manganese Gluconate, Polyglyceryl-3 Caprylate, Sodium Phytate, Behenamidopropyl Dimethylamine, Diatomaceous Earth
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