Ingredient · dataset v56

Cetyl Alcohol and fungal acne

May trigger · Limited evidence

Why it's a potential trigger

A 16-carbon fat-like alcohol; structurally close to fats Malassezia yeast eats, but direct feeding proof is thin.

16-carbon fatty alcohol; feeding data thin, widely used without issue.

Evidence strength

Limited evidence (1/3)

Function

Fatty alcohol

Fatty alcohols: long-chain alcohols mirroring the fatty acids the yeast eats.

Also listed as

Hexadecan-1-ol, Cetanol, Palmityl Alcohol, Hexadecyl Alcohol, 1-Hexadecanol

Products without this ingredient

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Related fatty alcohol

Sources

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

Questions

Does Cetyl Alcohol trigger fungal acne?

We flag it as a potential trigger (limited 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 Cetyl Alcohol feed Malassezia?

Yes: we flag Cetyl Alcohol as a potential trigger (limited 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?

Limited evidence: A 16-carbon fat-like alcohol; structurally close to fats this yeast eats, but direct feeding proof is thin.

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 Cetyl Alcohol →

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