Hair Conditioning
BIS-AMINOPROPYL DIMETHICONE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
An amine-functional silicone used mainly in hair care — it coats and smooths strands. Safe on skin/hair; the main issue is environmental persistence.
Bis-aminopropyl dimethicone (CAS 106214-84-0; one of PubChem CIDs 818630 family for the monomer) is an aminofunctional silicone polymer carrying two terminal 3-aminopropyl groups. Used primarily as a hair conditioning agent: the amine groups adsorb to damaged keratin sites, depositing a silicone film that improves softness, combability, and frizz control. Dermal and ocular safety reports in industry literature are favorable; no GHS hazards flagged. The main concern is environmental: silicones are poorly biodegradable and persistent in aquatic systems. Not on EU Annex II/III. Some regulatory tightening on D4/D5 cyclic silicone residuals applies to the broader silicone class.
Function
Skin benefits
- Hair conditioning and detangling
- Reduces frizz and improves softness
- Heat-protection film
- Stable silicone chemistry
Known concerns
- Non-biodegradable silicone polymer
- Can build up with repeated use
- Environmental persistence concerns
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related hair conditionings
Same plant / compound family
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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.