What Is Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer?
Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer is a silicone-based material created by chemically joining cetyl dimethicone with bis-vinyldimethicone into a three-dimensional network. This crosslinked structure turns the usually fluid silicones into a soft powder or gel that feels silky to the touch. The raw materials are derived from silica, the same mineral that makes up sand, then transformed through controlled reactions that link the silicone chains together. First introduced in the early 2000s, it quickly gained popularity among formulators searching for lightweight alternatives to heavier oils. Today manufacturers produce it in specialized reactors where temperature and catalysts guide the polymerization, followed by milling or blending into a ready-to-use cosmetic grade powder.
Because it gives products a smooth glide without greasiness, you will find Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer in face primers, liquid foundations, tinted moisturizers, sunscreens, anti-aging creams, sheet masks and even some hair styling serums. Its versatility lets brands create elegant textures that blur pores, lock in moisture and leave a soft-focus finish.
Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer’s Cosmetic Benefits/Uses
This ingredient is valued for more than just a pleasant feel. It brings practical benefits that improve both the performance and the sensory experience of a product.
- Skin conditioning: Forms a flexible film on the surface of skin that helps smooth rough patches, enhances softness and supports a healthy-looking complexion
- Emollient: Fills in tiny gaps between skin cells to reduce water loss, boost suppleness and impart a velvety after-feel without heaviness or stickiness
Who Can Use Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer
This silky silicone powder is considered friendly for nearly every skin type. Its lightweight film locks in moisture without trapping heat or oil, so dry, oily or combination complexions usually tolerate it well. People with sensitive or redness-prone skin often find it soothing because it is chemically inert and free of fragrance. The only group that might steer clear are those who know they react to any silicone derivative, which is quite rare.
Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer is made from silica, a mineral, and contains no animal-derived substances. As long as the finished formula is not blended with animal ingredients, it is generally suitable for vegans and vegetarians.
The molecule sits on the surface of skin and is not absorbed in meaningful amounts, so there are no specific warnings for pregnant or breastfeeding women. Still, this is not medical advice and anyone who is expecting or nursing should run new skincare past a doctor just to be safe.
The ingredient does not increase photosensitivity, so it will not make skin more prone to sunburn. Standard daytime sun protection is still recommended for overall skin health.
Potential Side Effects/Adverse Reactions
Reactions to topical Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer can vary from person to person. The following list covers potential issues but most users will not experience them when the ingredient is formulated and used correctly.
- Mild skin irritation
- Redness or itchiness in those allergic to silicones
- Temporary clogged pores for individuals extremely prone to comedones
- Watery eyes or stinging if the product accidentally gets into the eye area
If any uncomfortable reaction occurs stop using the product and seek advice from a healthcare professional.
Comedogenic Rating
Rating: 1 out of 5. This crosslinked silicone sits on top of skin, has a large molecular size and does not readily mix with skin’s natural oils, so it rarely blocks pores. Most people, including those prone to acne, can use it without seeing new breakouts. Extremely sensitive or very oily skins may still notice an occasional clogged pore but that is uncommon.
Because the ingredient forms a breathable film rather than an occlusive plug, it tends to let sebum flow freely and wash off easily with regular cleansing. That makes it less likely to contribute to long-term congestion compared with heavier waxes or butters.
Summary
Cetyl Dimethicone/Bis-Vinyldimethicone Crosspolymer conditions skin and works as a lightweight emollient by forming a silky film that smooths rough texture, reduces moisture loss and leaves a soft-focus finish. Its popularity has grown steadily since the early 2000s thanks to the demand for elegant non-greasy textures in primers, foundations and sunscreens.
Safety data show the ingredient is generally well tolerated with a low risk of irritation or acne. Still, everyone’s skin is unique so it is wise to patch test any new product that contains this silicone to confirm personal compatibility.