Skin Conditioning
CUTIBACTERIUM ACNES DEFENDENS XYCM42 FERMENT FILTRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cell-free ferment filtrate from a benign Cutibacterium acnes strain (Defendens XYCM42) — the friendly cousin of the acne-related strain. Used as a postbiotic for microbiome balance. Promising but novel.
Skin benefits
- Postbiotic from a benign skin commensal strain
- May help rebalance acne-prone microbiome
- Source of fermentation peptides and short-chain fatty acids
- Cell-free filtrate is microbiologically safer than live
Known concerns
- C. acnes is the same genus as acne-associated strains
- Highly strain-dependent — XYCM42 must be specified
- Novel ingredient with thin independent safety record
- Possible immune-stimulation in compromised skin
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related skin conditionings
Check your shelf
Find CUTIBACTERIUM ACNES DEFENDENS XYCM42 FERMENT FILTRATE in your products.
Scan any cosmetic product with LuxSense to see if it contains CUTIBACTERIUM ACNES DEFENDENS XYCM42 FERMENT FILTRATE and get a full ingredient breakdown with safety scores.
This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.