Ingredient · dataset v56

Ethyl Lauroyl Arginate HCl and fungal acne

No known trigger

Why it's not a known trigger

The lauroyl (C12) chain is attached by an AMIDE bond (amide rule = neutral); the only ester is the ethyl (C2) ester, below the C12 bar. Owner ruling 2026-10-12 — neutral, not trigger-2.

Evidence strength

Judged neutral — no trigger evidence

Function

Amide

Also listed as

Lauroyl Arginate Ethyl Ester HCl

Checked products with this ingredient (1)

Product types: Micellar waters

Micellar waters (1)

Related amide

Sources

EU CosIng database — search the INCI name

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

Questions

Does Ethyl Lauroyl Arginate HCl trigger fungal acne?

No known trigger: The lauroyl (C12) chain is attached by an AMIDE bond (amide rule = neutral); the only ester is the ethyl (C2) ester, below the C12 bar. Owner ruling 2026-10-12 — neutral, not trigger-2.

Does Ethyl Lauroyl Arginate HCl feed Malassezia?

No known link: Ethyl Lauroyl Arginate HCl is judged with no known trigger. One screened ingredient is not a product verdict — when in doubt, ask a dermatologist.

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 Ethyl Lauroyl Arginate HCl →

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