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Ingredient guide
1,10-decanediol
In short
1,10‑Decanediol is a long‑chain diol with antimicrobial properties often used in oil‑control formulas. It helps keep the surface environment balanced and can support clearer-looking pores.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Pores
Skin type
Oily · Combination
Best used
Anytime
What it is
Long-chain diol with antimicrobial and mild sebum-regulating activity. Frequently paired with sebacic acid in oil-control formulas.
Also found as
Related
Where to find it
Paula's Choice 10% Azelaic Acid Booster
La Roche-Posay Effaclar Duo (+)
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Common questions
It helps maintain a balanced surface on oily areas and is often paired with other pore-refining ingredients.
It’s commonly used for oily and combination skin that experiences shine or enlarged-looking pores.
It appears in serums, gels, and moisturisers aimed at controlling surface oil and improving texture.
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Personal guidance only · For clinical concerns, see a dermatologist.