Science
Mechanism of Action
Operating as a transient film-former, Ethyl Trisiloxane creates an ultra-light, silky layer on the skin that quickly vanishes, leaving no discernible residue. This thin barrier aids in moisture retention while its low surface tension properties optimize formulation spreadability and accelerate dry-down for a non-greasy finish. Furthermore, it functions as an effective carrier, potentially enhancing the penetration of other active ingredients into the skin.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Ethyl Trisiloxane demonstrates robust stability under typical formulation conditions, being non-reactive and non-oxidizing. It is hydrolytically stable within normal formulation pH ranges and withstands temperatures up to approximately 300°C. However, formulators should note potential degradation of trisiloxane bonds in aqueous mixtures at significantly low pH.
Conflicts
- Degradation in aqueous mixtures at low pH
Safety
Safety Profile
Generally considered safe for cosmetic use, with an Environmental Working Group (EWG) score of 2 indicating low hazard. While a slight eye irritant, risks are mitigated by proper hygiene. It exhibits a very low comedogenic rating of 1, meaning it is very unlikely to clog pores, making it highly suitable for acne-prone and sensitive skin types due to its excellent skin tolerance. It is not classified as hazardous under Australian criteria.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This highly versatile silicone is valuable for enhancing product aesthetics, improving active ingredient delivery, and ensuring broad skin compatibility across various formulations.
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