이 원료는 사이클로메티콘과 콜레스테릴메타크릴레이트를 포함하는 메타크릴릭애씨드의 에스터로 구성된 복합공중합체로, 주로 다음의 구조를 갖으며 R은 콜레스테릴 부분이다.

Cyclosiloxanes, methyl 3-(4-carboxyphenoxy)propyl, esters with cholesterol and 4-hydroxyphenyl 2-methyl-2-propenoate, polymers with cholesteryl -2-methyl-2-propenoate and 4-(4-(2-propenyloxy)phenylcarbonyloxy)phenyl 2-methyl-2-propenoate: Polysilicone-11 is a crosslinked siloxane rubber formed by the reaction of vinyl-terminatedsiloxane and methylhydroxydimethyl siloxane in the presence of cyclomethicone.

本品は、メタクリル酸コレステリルを含むメタクリル酸のエステルとシクロメチコン（＊）からなる共重合体であり、次の化学式で表される。