What Is Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer?
Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer is a silicone-based material created by crosslinking lauryl/behenyl dimethicone with divinyl dimethicone. The result is a soft flexible network of molecules that feels lightweight and silky on the skin. Unlike simple silicones that are fluids, this ingredient forms a solid powder or gel that disperses easily in oils and creams.
The raw materials start with silicones derived from silica sand, which is converted into elemental silicon then reacted with methyl chloride. By adding vinyl groups, lauryl chains and behenyl chains, chemists tailor the texture and compatibility with skin-care formulas. A controlled curing step links the vinyl portions together into a three-dimensional structure, giving the finished polymer its cushioning feel.
Silicone crosspolymers first appeared in cosmetics in the 1990s when formulators looked for ways to create a smooth matte finish without heavy oils. As sensory testing became more important, brands adopted these polymers in primers and fluid foundations. Today the vinyl dimethicone/lauryl/behenyl version is favored for its balance of slip and creaminess.
You will most often find it in face primers, liquid foundations, tinted moisturizers, day creams, eye creams, high-SPF sunscreens, leave-on hair serums and sheet mask essences. Its ability to improve spreadability also makes it popular in anti-aging treatments where multiple actives need to glide over the skin evenly.
Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer’s Cosmetic Benefits/Uses
This ingredient is valued for one main job in beauty formulas
Skin conditioning: It coats the skin with a breathable layer that feels silky, fills in fine texture irregularities and reduces tackiness from other ingredients. This gives creams and makeups a smoother application and a soft-focus finish, helping the skin look more refined while preventing moisture loss.
Who Can Use Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer
This silicone crosspolymer is considered suitable for most skin types including dry, normal, combination and oily. Its light powdery finish sits well on oilier complexions while its smoothing effect helps dry skin feel softer. Sensitive or easily irritated skin generally tolerates it because the molecule is inert and does not penetrate deeply, though individual sensitivities are always possible. Extremely acne-prone users who react to any occlusive film might prefer to apply it sparingly or choose formulas where it is used at low levels.
The ingredient is synthetic, derived from silica and petrochemicals, and contains no animal by-products so it is viewed as vegan and vegetarian friendly. That said, animal testing policies or other ingredients in the finished product can change a product’s overall vegan status.
No known developmental or hormonal concerns have been linked to topical use, so products with this polymer are generally considered safe for people who are pregnant or breastfeeding. This is not medical advice and anyone who is pregnant or nursing should confirm the suitability of any skincare product with their doctor to be safe.
Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer does not make skin more sensitive to sunlight and has no reported phototoxicity. It is also fragrance free and non reactive with common actives like retinol or vitamin C, making it easy to layer in a routine.
Potential Side Effects/Adverse Reactions
Reactions to topical Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer differ from one person to another. The points below list potential side effects but they remain uncommon when the ingredient is used correctly in a well-formulated product.
- Mild skin irritation — rare itching, stinging or redness can occur if the user is sensitive to silicones or another ingredient in the formula
- Transient breakouts — very occlusion-sensitive skin might experience clogged pores or small bumps especially if makeup is not removed thoroughly
- Product buildup — the silky film can accumulate with heavy layering, occasionally leaving skin feeling coated or interfering with the absorption of lighter serums
- Allergic contact dermatitis — extremely uncommon but possible if an individual develops an allergy to the polymer itself or residual catalyst substances
If you notice persistent irritation, rash or breakouts after using a product containing this ingredient stop use immediately and consult a healthcare professional.
Comedogenic Rating
Rating: 1/5. Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer forms a breathable film that sits on the surface rather than sinking into pores, and its large three-dimensional structure makes it unlikely to clog follicles. It lacks fatty acids that commonly trigger congestion, so it is considered very low on the comedogenic scale.
Most acne-prone users tolerate it well, though extremely occlusion-sensitive skin should still monitor how their complexion responds.
Because this polymer is often blended with richer oils or waxes, any pore issues are more likely linked to those companion ingredients than to the crosspolymer itself.
Summary
Vinyl Dimethicone/Lauryl/Behenyl Dimethicone Crosspolymer is a silicone crosspolymer that conditions skin by laying down a silky flexible mesh that boosts slip, blurs fine lines and locks in light moisture without heft. Its popularity has risen in primers, fluid foundations and high-end sunscreens thanks to its ability to give a smooth soft-focus finish that consumers love.
The ingredient is regarded as safe for most skin types, with low irritation and a minimal risk of clogged pores. While reactions are rare, it is always wise to patch test any new product to confirm personal compatibility before full-face use.