Ingredient review
Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer
INCI: Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer
A silicone polymer that helps makeup and skincare last longer and feel smooth, with a very low risk of irritation or clogged pores.
In plain English
This is a man-made ingredient that combines silicone and acrylic polymers. When applied to your skin, it dries down to form a thin, flexible, invisible film. This film helps your foundation or sunscreen stay put longer, resist sweat and water, and feel silky rather than sticky. It's commonly used in long-wear makeup and water-resistant sunscreens.
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
Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer 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 Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer.
- 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 copolymer made by combining silicone (dimethicone) and acrylic building blocks. It is designed to create a flexible, breathable film on the skin.
How it works
After the water or solvent in your product evaporates, this polymer leaves behind a thin, even film that adheres to the skin. This film helps lock in other ingredients, prevents makeup from smudging, and gives a smooth, non-greasy feel.
Pros
Long-wear performance
Helps makeup and sunscreen resist fading, smudging, and transferring throughout the day.
Smooth texture
Leaves a silky, non-sticky feel on the skin, making products more pleasant to apply.
Cons and cautions
Removal can be tricky
Because it forms a water-resistant film, you may need an oil-based cleanser or micellar water to fully remove it.
May feel tight on dry skin
The film can sometimes emphasize dryness or feel slightly tight if your skin is very dehydrated.
Best for
- Anyone wanting long-lasting makeup or water-resistant sunscreen
- People with normal to oily skin who prefer a matte finish
Use caution if
- Those who prefer a very dewy, glossy finish
- Individuals with extremely dry skin who find film-formers uncomfortable
Usage tips
Safety summary
Considered safe for cosmetic use with very low irritation and comedogenic potential. No significant safety concerns have been identified in routine use.
Research notes
Safety assessments by the Cosmetic Ingredient Review (CIR) panel and other bodies have concluded that this type of polymer is safe for use in cosmetics at typical concentrations.
Common label clues
- Typical concentration
- 0.5% to 5%
- Regulatory status
- Approved for use in cosmetics globally, including by the U.S. FDA and EU CosIng database, with no concentration restrictions.
- Common uses
- Foundations, Sunscreens, Long-wear makeup, Water-resistant products
- Environmental note
- As a silicone-based polymer, it may not biodegrade quickly. However, it is used in very small amounts and is not known to accumulate in the environment significantly.
Good to know
- This polymer is considered safe and non-irritating by major cosmetic safety panels.
- It is not a sunscreen active ingredient but helps sunscreens stay effective by improving water resistance.
Common questions
What is Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer in beauty products?
This is a man-made ingredient that combines silicone and acrylic polymers. When applied to your skin, it dries down to form a thin, flexible, invisible film. This film helps your foundation or sunscreen stay put longer, resist sweat and water, and feel silky rather than sticky. It's commonly used in long-wear makeup and water-resistant sunscreens.
What does Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer do in a beauty product?
After the water or solvent in your product evaporates, this polymer leaves behind a thin, even film that adheres to the skin. This film helps lock in other ingredients, prevents makeup from smudging, and gives a smooth, non-greasy feel.
Is Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer safe for most people?
Considered safe for cosmetic use with very low irritation and comedogenic potential. No significant safety concerns have been identified in routine use.
Who should be careful with Hydroxypropyl Dimethiconylpropyl Acrylates Copolymer?
Those who prefer a very dewy, glossy finish Individuals with extremely dry skin who find film-formers uncomfortable
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.