triethoxysilylethyl polydimethylsiloxyethyl hexyl dimethicone

Triethoxysilylethyl polydimethylsiloxyethyl hexyl dimethicone is a silicone polymer that has multiple functions in cosmetic products, including as a skin-softening agent and occlusive.

References for this information:

International Journal of Toxicology, May 2014, Volume 33, Supplement 2, pages 65S-115S
https://www.shinetsusilicone-global.com/products/personalcare/products/powder_treatment_agents.shtml

See polymer silicone

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