Crosslinker
BIS-MERCAPTOPROPYL DIMETHICONE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A thiol-functional silicone polymer — used to crosslink other silicones via disulfide chemistry. Cured film is inert and safe, but the reactive thiol groups can cause odor and skin irritation in uncured material.
Function
Skin benefits
- Reactive crosslinker for silicone networks
- Improves film durability through disulfide bond formation
- Stable polymer once cured
Known concerns
- Free thiol groups can give odor and oxidative reactivity
- Potential skin irritation for sensitive users
- Cured polymer is inert but uncured material is reactive
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 — always read the physical product label and consult a healthcare professional for personal concerns.