Antimicrobial
THYMUS QUINQUECOSTATUS FLOWER/LEAF/STEM EXTRACT
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Five-rib thyme extract, related to common culinary thyme and similarly rich in thymol and carvacrol. Strong antimicrobial action comes paired with real sensitisation risk at higher use levels.
Function
Skin benefits
- Antimicrobial thymol and carvacrol
- Antioxidant essential-oil compounds
- Long culinary and medicinal heritage
Known concerns
- Thymol and carvacrol are recognised skin sensitisers
- Mucous-membrane irritation potential
- EU IFRA-restricted fragrance components
- Concentration-dependent safety profile
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related antimicrobials
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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.