Magnesium carbonate is an inorganic mineral powder used in cosmetics and personal care as an absorbent, opacifier, and bulking material, chosen for oil control, a soft-focus appearance, improved glide, and as a carrier in pressed or loose powders.
A mineral powder that controls shine and blurs the look of pores.
Category
Oil Control, Tone/Texture, Color
Type
Mineral
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Helps curb surface shine and subtly blurs the look of pores for a smoother-looking complexion, and can improve makeup wear by boosting adherence and reducing slip.
Uses In Skincare & Cosmetics
Common in setting powders, mattifying primers, and dry shampoos to boost grip and reduce greasiness. Also appears in pressed blushes and bronzers to improve payoff and texture.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Generally low irritation risk when used topically; fine powders can be mildly drying and may irritate if they get into the eyes. Avoid inhaling loose powder during application.
Is Magnesium Carbonate a Good Ingredient?
It reliably absorbs excess oil and improves slip and opacity, with a stable, inert profile and typically low irritation, which earns it Good. Performance can turn drying if overused, so it suits oily areas best.