An emollient ester from oleic acid. It softens skin and gives a soft slip. Well tolerated.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
A functional emollient. Safe.
Decyl Oleate is an emollient ester of oleic acid and decyl alcohol. In cosmetics it softens skin, gives a silky, light slip and improves how creams and oils spread. It is common in emulsions, sunscreens and fluid makeup. This is a functional formula component with an emollient effect, not a corrective active. It brings a pleasant feel and helps the product spread well, but it does not treat wrinkles, spots or acne. Its role is sensory and textural. Applied topically it has no systemic relevance, so it can be used during pregnancy and breastfeeding. Tolerability is good, with low irritation and allergy potential. The point to watch is comedogenicity, which is medium-high (3 of 5). On oily or acne-prone skin it can contribute to clogged pores, especially at a high level, so in those cases it is worth watching how the skin responds.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
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.
Decyl Oleate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Decyl Oleate suits: normal, dry, combination, oily, sensitive.
An emollient ester from oleic acid.
On the Fulton scale 3/5 – moderate comedogenicity. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.
The INCI name is Decyl Oleate. It may also appear as: Децил олеат.
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