Ingredient · dataset v56
Caprylhydroxamic Acid and fungal acne
No known trigger
Why it's not a known trigger
A C8 hydroxamic-acid chelator used as a preservative booster: the C8 chain sits below the uptake range (caprylic precedent) and the hydroxamate head is a metal-chelator, like ruled Disodium EDTA.
Below-bar + chelator basis.
Evidence strength
Judged neutral — no trigger evidence
Function
Preservative
Checked products with this ingredient (3)
Product types: Hair care, Moisturizers, Shampoos
Hair care (1)
Moisturizers (1)
Shampoos (1)
Related preservative
- Anisic Acid — No known trigger
- Benzisothiazolinone — No known trigger
- Benzyl Alcohol — No known trigger
- Butylated Hydroxytoluene — No known trigger
- Butylene Glycol Dicaprylate — No known trigger
- Butylparaben — No known trigger
- Chlorhexidine Digluconate — No known trigger
- Chlorphenesin — No known trigger
Sources
EU CosIng database — search the INCI name
Last reviewed: 2026-10-13 (dataset v56).
Questions
Does Caprylhydroxamic Acid trigger fungal acne?
No known trigger: A C8 hydroxamic-acid chelator used as a preservative booster: the C8 chain sits below the uptake range (caprylic precedent) and the hydroxamate head is a metal-chelator, like ruled Disodium EDTA.
Does Caprylhydroxamic Acid feed Malassezia?
No known link: Caprylhydroxamic Acid 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 Caprylhydroxamic Acid →
Not medical advice: we screen ingredient lists for potential triggers — we never diagnose, treat, or certify products. Dataset v56.