Ingredient review
Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer
INCI: Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer
A gentle synthetic polymer that helps products spread smoothly and stay put, with a low risk of irritation or clogged pores.
In plain English
This ingredient is a synthetic polymer, meaning it's a large molecule made from repeating smaller units. In skincare, it acts like a flexible net that helps other ingredients mix together (emulsifier) and forms a thin, invisible film on your skin. This film can make a product feel silky, help it spread evenly, and improve how long it lasts on your skin. It's commonly found in moisturizers, sunscreens, and makeup.
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
Polyglyceryl-2 Isostearate/Dimer Dilinoleate 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 Polyglyceryl-2 Isostearate/Dimer Dilinoleate 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 derived from polyglyceryl-2 isostearate and dimer dilinoleate. It is a large molecule designed to stabilize emulsions and create a film on the skin.
How it works
It works by positioning itself at the boundary between oil and water in a formula, helping them blend into a stable cream or lotion. Once applied, it dries down into a flexible, breathable film that holds ingredients in place and reduces water loss from the skin's surface.
Pros
Gentle on skin
Has a low irritation and comedogenic risk, making it suitable for sensitive and acne-prone skin types.
Improves product performance
Helps creams and lotions feel silky and spread evenly, and can make sunscreen or makeup last longer on the skin.
Cons and cautions
Synthetic origin
It is a lab-made ingredient, which may not align with preferences for natural or organic skincare routines.
Potential tackiness
In high concentrations or certain formulas, it can leave a slightly sticky or tacky feel on the skin.
Best for
- People looking for lightweight, non-greasy moisturizers
- Those who want long-wearing makeup or sunscreen
Use caution if
- Individuals seeking 100% natural or plant-based formulations
Usage tips
Safety summary
Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer is considered safe for use in cosmetics. It has a low potential for skin irritation and is not known to be comedogenic. Regulatory bodies like the Cosmetic Ingredient Review (CIR) have evaluated similar polyglyceryl esters and found them safe at typical use concentrations.
Research notes
Research on this specific copolymer is limited, but studies on related polyglyceryl esters indicate they are well-tolerated and effective emulsifiers. The safety profile is supported by decades of use in cosmetics.
Common label clues
- Typical concentration
- 0.5% to 5%
- Regulatory status
- Approved for use in cosmetics in the EU, US, and many other regions. No specific restrictions are commonly applied.
- Common uses
- Moisturizers, Sunscreens, Foundations, Lip products
- Environmental note
- As a synthetic polymer, its biodegradability may vary. Some newer versions are designed to be more environmentally friendly.
Good to know
- This ingredient is often used in 'water-resistant' sunscreens and long-wear foundations.
- It is not known to be a common allergen.
Common questions
What is Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer in beauty products?
This ingredient is a synthetic polymer, meaning it's a large molecule made from repeating smaller units. In skincare, it acts like a flexible net that helps other ingredients mix together (emulsifier) and forms a thin, invisible film on your skin. This film can make a product feel silky, help it spread evenly, and improve how long it lasts on your skin. It's commonly found in moisturizers, sunscreens, and makeup.
What does Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer do in a beauty product?
It works by positioning itself at the boundary between oil and water in a formula, helping them blend into a stable cream or lotion. Once applied, it dries down into a flexible, breathable film that holds ingredients in place and reduces water loss from the skin's surface.
Is Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer safe for most people?
Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer is considered safe for use in cosmetics. It has a low potential for skin irritation and is not known to be comedogenic. Regulatory bodies like the Cosmetic Ingredient Review (CIR) have evaluated similar polyglyceryl esters and found them safe at typical use concentrations.
Who should be careful with Polyglyceryl-2 Isostearate/Dimer Dilinoleate Copolymer?
Individuals seeking 100% natural or plant-based formulations
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.