Hair Conditioning
BIS-(MORPHOLINOMETHYL C1-4 DIALKOXYSILOXY) DIMETHICONE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A morpholine-functionalized siloxane used as a hair fixative with flexible humidity hold. Morpholine residues are a notable concern — they are documented sensitizers and can form carcinogenic N-nitrosamines with common nitrosating agents.
Function
Skin benefits
- Reshapes hair with flexible humidity-resistant hold
- Avoids harsh thiol odor of traditional perm chemistry
- Useful in temporary styling
Known concerns
- Morpholine residuals are documented sensitizers and possible N-nitrosamine precursors
- Morpholine has been detected as nitrosamine contaminant in regulatory testing
- Alkoxysilane groups may release methanol/ethanol on hydrolysis
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related hair conditionings
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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.