A film former and chelator. It binds metal ions and helps the formula stay on skin. It does not act on skin directly.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
A technical film former. Safe at cosmetic levels.
Undecyl Dimethyl Oxazoline is an ingredient with a dual role as film former and chelator. It binds metal ions (such as iron and copper) that speed up oxidation, and helps the formula spread and stay on the skin. On efficacy: a functional ingredient, not a skincare active. By sequestering metals it protects product stability and extends shelf life; the thin film improves spread and feel. It doesn't act directly on the skin or treat any condition. Its value lies entirely in formulation. Topical use during pregnancy and breastfeeding poses no problem; it's used at low levels. Tolerance is good, with low irritation and allergy potential. Suitable for sensitive skin.
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.
Undecyl Dimethyl Oxazoline is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Undecyl Dimethyl Oxazoline suits: normal, dry, combination, oily, sensitive.
A film former and chelator.
The INCI name is Undecyl Dimethyl Oxazoline. It may also appear as: Ундецил диметил оксазолин, Undecil dimetil oxazolina.
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