Ingredient review
PPG Glyceryl Ether/IPDI Crosspolymer
INCI: PPG-35/PPG-51 GLYCERYL ETHER/IPDI CROSSPOLYMER
A synthetic polymer that helps makeup and skincare stay put longer without feeling heavy or greasy.
In plain English
This ingredient is a type of plastic-like polymer that forms a thin, flexible film on your skin. It helps products like foundation or sunscreen resist water, sweat, and smudging, so they last longer. It also gives a smooth, even feel without clogging pores or causing irritation for most people.
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
PPG Glyceryl Ether/IPDI 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 PPG Glyceryl Ether/IPDI 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 crosspolymer made from PPG-modified glycerin and isophorone diisocyanate (IPDI). It is designed to create a flexible, water-resistant film on the skin.
How it works
When applied, the polymer molecules link together to form a continuous, breathable film. This film acts as a barrier that locks in pigments and active ingredients, reducing transfer and improving wear time. It also thickens the product slightly, giving a luxurious texture.
Pros
Long-lasting wear
Helps makeup and sunscreen stay put for hours without fading or transferring onto clothes.
Lightweight feel
Creates a flexible film that doesn't feel heavy or sticky, making it comfortable for daily use.
Cons and cautions
Not natural
Synthetic polymer derived from petrochemicals, which may not appeal to those seeking natural or eco-friendly products.
Potential tightness
On very dry or dehydrated skin, the film-forming effect can feel slightly tight or uncomfortable.
Best for
- Anyone wanting long-lasting makeup or sunscreen
- People with oily or combination skin who need smudge-proof formulas
Use caution if
- Those who prefer 100% natural or biodegradable ingredients
- Individuals with extremely dry or flaky skin who may find film-formers uncomfortable
Usage tips
Safety summary
Generally recognized as safe for topical use. Low irritation and comedogenic potential. No significant safety concerns reported in cosmetic concentrations.
Research notes
Limited independent studies on this specific polymer, but similar crosspolymers have a long history of safe use in cosmetics. Safety assessments rely on analog data and ingredient-specific reviews.
Common label clues
- Typical concentration
- Typically 1–10% in leave-on formulas
- Regulatory status
- Approved for use in cosmetics in the EU, US, and other major markets. No known restrictions at typical use levels.
- Common uses
- Foundations, Concealers, Long-wear makeup, Sunscreens, Water-resistant formulas
- Environmental note
- As a synthetic polymer, it is not biodegradable. However, it is used in small amounts and is not known to accumulate in the environment.
Good to know
- This ingredient is often used in combination with other film-formers for extra durability.
- It is considered safe for use in cosmetics by major regulatory bodies.
Common questions
What is PPG Glyceryl Ether/IPDI Crosspolymer in beauty products?
This ingredient is a type of plastic-like polymer that forms a thin, flexible film on your skin. It helps products like foundation or sunscreen resist water, sweat, and smudging, so they last longer. It also gives a smooth, even feel without clogging pores or causing irritation for most people.
What does PPG Glyceryl Ether/IPDI Crosspolymer do in a beauty product?
When applied, the polymer molecules link together to form a continuous, breathable film. This film acts as a barrier that locks in pigments and active ingredients, reducing transfer and improving wear time. It also thickens the product slightly, giving a luxurious texture.
Is PPG Glyceryl Ether/IPDI Crosspolymer safe for most people?
Generally recognized as safe for topical use. Low irritation and comedogenic potential. No significant safety concerns reported in cosmetic concentrations.
Who should be careful with PPG Glyceryl Ether/IPDI Crosspolymer?
Those who prefer 100% natural or biodegradable ingredients Individuals with extremely dry or flaky skin who may 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.