dodecamethylcyclohexasiloxane

== English == === Noun === dodecamethylcyclohexasiloxane (uncountable) (chemistry) A cyclic siloxane compound consisting of a six-membered ring of alternating silicon and oxygen atoms (cyclohexasiloxane) with twelve methyl (–CH₃) groups attached to the silicon atoms. It is a volatile, silicone-based fluid used primarily in industrial and consumer applications such as cosmetics, personal care products, and specialty lubricants.