Ingredient guide
Alumina
alumina
In short
Alumina is a finely milled mineral powder used to adjust texture and provide controlled physical exfoliation. It also helps powders look smoother and more even.
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What it is
Inert mineral powder used as a micro-abrasive in physical exfoliants and as an opacifying and texture-modifying agent in pressed powders; synthetic corundum spheres can be sized precisely for controlled, consistent exfoliation intensity.
Where it sits
Serums sit after toner and before moisturiser. Thinnest to thickest, water before oil.
- Cleanse
- Tone
- Alumina
- Moisturise
- SPF
Also found as
Related
Where to find it
Options across the range, not a ranking. Run one through Lens and MIRU will tell you if it fits you.
Dermalogica Daily Microfoliant
Clinique 7 Day Scrub Cream Rinse-Off Formula
Fit comes first: the Lens checks each product against your skin before any retailer link. We may earn a commission, at no cost to you. Picks are editorial, never paid.
Common questions
What does Alumina do in skincare?
It acts as a micro-exfoliant in scrubs and helps give powders a smooth, even finish. Its particle size is controlled for consistent, gentle polishing effects.
Is Alumina good for oily skin?
It can support oily skin when used in powders by improving texture and helping products apply more evenly. In exfoliants, it offers gentle physical refinement.
Where is Alumina typically used?
You’ll find it in physical exfoliators, pressed powders, and some long-wear makeup formulas for texture control.
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Personal guidance, not medical advice.