Ingredient review
Divinyldimethicone/Dimethicone/Silsesquioxane Crosspolymer
INCI: DIVINYLDIMETHICONE/DIMETHICONE/SILSESQUIOXANE CROSSPOLYMER
A silicone crosspolymer that gives a silky, non-greasy feel and helps products spread smoothly, but offers no active skincare benefits.
In plain English
This is a type of silicone that forms a flexible, breathable film on your skin or hair. It feels silky and velvety, not sticky or greasy. It helps makeup glide on smoothly and can blur the look of fine lines and pores temporarily. Think of it as a high-tech powder that makes products feel luxurious and look flawless.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Divinyldimethicone/Dimethicone/Silsesquioxane Crosspolymer is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Divinyldimethicone/Dimethicone/Silsesquioxane Crosspolymer.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.
Score terms in plain English
Irritation risk
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
A synthetic silicone polymer that has been crosslinked into a powder form. It combines three silicone units to create a soft, spherical particle that absorbs oil and gives a matte, smooth finish.
How it works
When applied, the powder particles sit on the skin's surface, absorbing excess oil and filling in uneven texture. The film-forming property creates a thin, flexible layer that helps other ingredients stay in place and reduces the appearance of pores and fine lines by scattering light.
Pros
Instant smoothing effect
The powder fills in uneven texture and fine lines, giving skin a soft-focus, airbrushed look immediately after application.
Oil control without drying
It absorbs excess sebum and reduces shine throughout the day without stripping moisture, making it ideal for oily skin types.
Cons and cautions
No active benefits
This ingredient is purely aesthetic—it doesn't hydrate, brighten, or protect the skin. It's a cosmetic enhancer, not a treatment.
Requires thorough removal
Because it forms a film, it can be stubborn to wash off. A double cleanse (oil cleanser followed by water-based cleanser) is often needed to avoid buildup.
Best for
- People with oily or combination skin who want a matte finish
- Anyone looking for a smooth, blurring primer or foundation
Use caution if
- Those who strictly avoid silicones in their skincare or makeup routine
Usage tips
Safety summary
Considered safe for topical use in cosmetics at typical concentrations. It is non-irritating and non-sensitizing for the vast majority of users. No significant safety concerns have been raised by regulatory bodies.
Research notes
Silicone crosspolymers are well-studied for their physical properties and safety in cosmetics. Research focuses on their film-forming and oil-absorbing abilities, with no evidence of systemic absorption or toxicity through intact skin.
Common label clues
- Typical concentration
- 1% to 10%
- Regulatory status
- Approved for use in cosmetics globally, including by the U.S. FDA and EU CosIng database, with no known restrictions at typical use levels.
- Common uses
- Primers, Foundations, Sunscreens, Hair styling products
- Environmental note
- Silicones, including this crosspolymer, are synthetic and not biodegradable. However, because it is a crosslinked solid, it is less likely to accumulate in aquatic environments compared to liquid silicones. Some brands are moving toward biodegradable alternatives.
Good to know
- This ingredient is often listed near the end of ingredient lists because it's used in small amounts for texture.
- It is considered non-comedogenic for most people, but patch test if you are prone to clogged pores.
- Silicone crosspolymers like this one are generally considered safe by cosmetic safety panels.
Common questions
What is Divinyldimethicone/Dimethicone/Silsesquioxane Crosspolymer in beauty products?
This is a type of silicone that forms a flexible, breathable film on your skin or hair. It feels silky and velvety, not sticky or greasy. It helps makeup glide on smoothly and can blur the look of fine lines and pores temporarily. Think of it as a high-tech powder that makes products feel luxurious and look flawless.
What does Divinyldimethicone/Dimethicone/Silsesquioxane Crosspolymer do in a beauty product?
When applied, the powder particles sit on the skin's surface, absorbing excess oil and filling in uneven texture. The film-forming property creates a thin, flexible layer that helps other ingredients stay in place and reduces the appearance of pores and fine lines by scattering light.
Is Divinyldimethicone/Dimethicone/Silsesquioxane Crosspolymer safe for most people?
Considered safe for topical use in cosmetics at typical concentrations. It is non-irritating and non-sensitizing for the vast majority of users. No significant safety concerns have been raised by regulatory bodies.
Who should be careful with Divinyldimethicone/Dimethicone/Silsesquioxane Crosspolymer?
Those who strictly avoid silicones in their skincare or makeup routine
Research sources
Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.