You may find this ingredient in various makeup and skincare products such as facial moisturizer, foundation, concealer, sunscreen, lipstick, blush, anti-aging treatment, eye cream and lip gloss.
As a silicone it provides emolliency, water binding properties, good slip and a silky touch on the skin. It keeps the water and oil parts of an emulsion from separating, and possesses great trapping capacity that enables it to prolong the release of active molecules, particularly pigmented ones. It also conditions the skin, gives it a smooth and soft look and eliminates any tackiness.
None are known, please consult with your pharacist.
cetyl dimethicone copolyol or known by its trade name Ambil EM 90
Source: TruthinAging, https://www.truthinaging.com/ingredients/cetyl-pegppg-101