Ingredient review
PEG-12 Glyceryl Linoleate
INCI: PEG-12 Glyceryl Linoleate
A gentle synthetic emulsifier that helps blend oil and water in formulas while providing mild skin conditioning from linoleic acid.
In plain English
PEG-12 Glyceryl Linoleate is a man-made ingredient that helps mix oil and water in skincare products, so they stay smooth and don't separate. It also contains a small amount of linoleic acid, a fatty acid found naturally in skin, which can help support the skin barrier. The 'PEG-12' part means it has been processed to be water-friendly and gentle.
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
PEG-12 Glyceryl Linoleate 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 PEG-12 Glyceryl Linoleate.
- 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 compound created by attaching 12 units of polyethylene glycol (PEG) to glyceryl linoleate, which is a glycerin derivative of linoleic acid. It acts as a mild surfactant and emulsifier.
How it works
It reduces the surface tension between oil and water, allowing them to mix into a stable cream or lotion. The linoleate portion can also deposit a small amount of linoleic acid onto the skin, which may help maintain the skin's natural barrier.
Pros
Gentle emulsifier
Helps oil and water mix without harsh surfactants, making creams and lotions feel smooth and stable.
Mild skin conditioning
The linoleic acid component can lightly support the skin barrier, which is helpful for dry or normal skin.
Cons and cautions
Synthetic origin
Made from petroleum-derived PEG, which may not appeal to those wanting natural or plant-based ingredients.
Potential trace impurities
If not highly purified, PEG compounds can contain trace levels of ethylene oxide or 1,4-dioxane, though reputable manufacturers ensure purity.
Best for
- People using lotions, creams, or sunscreens that need a stable texture
- Those with normal to dry skin looking for gentle conditioning
Use caution if
- Individuals with known sensitivity to PEG compounds
- Those seeking 100% natural or organic-only products
Usage tips
Safety summary
PEG-12 Glyceryl Linoleate is considered safe for use in cosmetics at typical concentrations. The main concern is potential trace impurities from manufacturing, but these are controlled by quality standards. It has low irritation and comedogenic risk.
Research notes
The Cosmetic Ingredient Review (CIR) has evaluated PEG compounds and found them safe for cosmetic use. Linoleic acid is well-studied for its role in skin barrier function. Specific studies on PEG-12 Glyceryl Linoleate are limited, but its components are well-characterized.
Common label clues
- Typical concentration
- 0.5% to 5%
- Regulatory status
- Approved for use in cosmetics in the US, EU, and many other regions. The CIR panel has reviewed PEG derivatives and found them safe when properly purified.
- Common uses
- Moisturizers, Cleansers, Serums, Sunscreens
- Environmental note
- PEG compounds are generally biodegradable, but their production relies on petrochemicals, which have a higher environmental footprint than some plant-based alternatives.
Good to know
- PEG-12 Glyceryl Linoleate is considered safe by the Cosmetic Ingredient Review (CIR) panel at typical use levels.
- It is not a primary active ingredient but a helper ingredient that improves product texture.
Common questions
What is PEG-12 Glyceryl Linoleate in beauty products?
PEG-12 Glyceryl Linoleate is a man-made ingredient that helps mix oil and water in skincare products, so they stay smooth and don't separate. It also contains a small amount of linoleic acid, a fatty acid found naturally in skin, which can help support the skin barrier. The 'PEG-12' part means it has been processed to be water-friendly and gentle.
What does PEG-12 Glyceryl Linoleate do in a beauty product?
It reduces the surface tension between oil and water, allowing them to mix into a stable cream or lotion. The linoleate portion can also deposit a small amount of linoleic acid onto the skin, which may help maintain the skin's natural barrier.
Is PEG-12 Glyceryl Linoleate safe for most people?
PEG-12 Glyceryl Linoleate is considered safe for use in cosmetics at typical concentrations. The main concern is potential trace impurities from manufacturing, but these are controlled by quality standards. It has low irritation and comedogenic risk.
Who should be careful with PEG-12 Glyceryl Linoleate?
Individuals with known sensitivity to PEG compounds Those seeking 100% natural or organic-only products
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.