Ingredient · dataset v56

Polyglyceryl-4 Olivate and fungal acne

May trigger · Moderate evidence

Why it's a potential trigger

An olive-derived oleate ester; the fatty half is oleic acid by definition of the olivate name.

Class-level call; not individually feeding-tested.

Evidence strength

Moderate evidence (2/3)

Function

Fatty ester

Fatty esters: split by the yeast’s enzymes into edible fats.

Products without this ingredient

Browse all Oils →

Related fatty ester

Sources

Last reviewed: 2026-10-13 (dataset v56).

Questions

Does Polyglyceryl-4 Olivate trigger fungal acne?

We flag it as a potential trigger (moderate evidence). That means it belongs to a class the Malassezia yeast is known to feed on — not that every product with it will cause a flare. Concentration, formulation and individual skin chemistry matter.

Does Polyglyceryl-4 Olivate feed Malassezia?

Yes: we flag Polyglyceryl-4 Olivate as a potential trigger (moderate evidence). It belongs to a class Malassezia is known to feed on — not a claim that every product with it causes a flare. Concentration, formulation and individual skin chemistry matter.

How confident is this call?

Moderate evidence: An olive-derived oleate ester; the fatty half is oleic acid by definition of the olivate name.

Is this medical advice?

No. We screen ingredient lists; we never diagnose, treat, or certify products. When in doubt, ask a dermatologist.

Check a full list containing Polyglyceryl-4 Olivate →

Not medical advice: we screen ingredient lists for potential triggers — we never diagnose, treat, or certify products. Dataset v56.