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Ingredient guide
hectorite
In short
Hectorite is a clear-gelling smectite clay used to stabilise and thicken formulas without adding opacity. It’s popular in serums, sprays, and makeup where a smooth, transparent finish is needed.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Texture
Best used
Anytime
What it is
Trioctahedral smectite clay rich in lithium and magnesium; forms transparent gels at low concentrations; preferred over opacifying clays in clear serums and setting sprays where gel structure is needed without whitening.
Also found as
Related
Where to find it
NARS Light Reflecting Setting Powder
Fenty Beauty Pro Filt’r Soft Matte Longwear Foundation
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Common questions
It helps create stable gels and prevents separation while keeping formulas clear.
Yes, it’s inert and generally well tolerated.
In setting sprays, clear serums, and many makeup products that need a stable yet lightweight gel structure.
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Personal guidance only · For clinical concerns, see a dermatologist.