Hair Waving Agent
MEA-THIOLACTATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A thiol-bearing hair waving/relaxing agent that breaks disulfide bonds for permanent reshaping. The reactive thiol carries sensitisation, odour and respiratory risk — clear orange caution.
Function
Skin benefits
- Hair waving/straightening agent
- Disrupts disulfide bonds for permanent reshaping
- Long-standing professional salon use
Known concerns
- Reactive thiol — recognised skin sensitiser
- Strong odour; can irritate eyes and respiratory tract
- Damages hair if misused
- EU restrictions for hair-waving products
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.