Ingredient review
Isopropyl Linoleate
INCI: Isopropyl Linoleate
A lightweight emollient that softens skin but may clog pores for some people.
In plain English
Isopropyl Linoleate is a synthetic oil-like ingredient made from linoleic acid (an omega-6 fatty acid found in plant oils) and isopropyl alcohol. It spreads easily on the skin, making it feel smooth and soft without being greasy. However, because it is an ester, it can be moderately comedogenic, meaning it might block pores and cause breakouts in acne-prone individuals.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Main practical flags: irritation is low; clogging risk is moderate.
- Source
- synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- moderate
Quick decision guide
Useful, but context matters
Isopropyl Linoleate can be useful, but watch for possible clogging concerns.
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 Isopropyl 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
moderateMay be fine for many users but deserves caution if you are breakout-prone.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
Isopropyl Linoleate is a synthetic ester formed by combining linoleic acid (a fatty acid from sources like sunflower or safflower oil) with isopropyl alcohol. It is a clear, oily liquid used in cosmetics to improve texture and skin feel.
How it works
It works by depositing a thin, non-greasy film on the skin's surface, which reduces water loss and makes the skin feel smoother. As an emollient, it fills in gaps between skin cells, softening the skin and improving its appearance.
Pros
Lightweight texture
It spreads easily and absorbs quickly, leaving skin soft without a heavy or greasy residue.
Improves product feel
It enhances the sensory experience of creams and lotions, making them more pleasant to apply.
Cons and cautions
May clog pores
With a moderate comedogenic rating, it can trigger breakouts or congestion in acne-prone or oily skin types.
Synthetic origin
It is not derived from natural sources, which may be a drawback for those preferring plant-based or naturally derived ingredients.
Best for
- People with dry or normal skin looking for lightweight moisture
- Those who tolerate synthetic emollients well
Use caution if
- Individuals with oily, acne-prone, or clog-prone skin
- Anyone seeking 100% natural ingredients
Usage tips
Safety summary
Isopropyl Linoleate is considered safe for use in cosmetics at typical concentrations. The main concern is its moderate comedogenic potential, which can cause breakouts in susceptible individuals. It is not known to be toxic or irritating.
Research notes
Research indicates that Isopropyl Linoleate is a safe emollient with low irritation potential. Its comedogenic properties are documented in dermatological literature, but it remains widely used in formulations for its texture benefits.
Common label clues
- Typical concentration
- 1% to 10%
- Regulatory status
- Approved for use in cosmetics by the FDA and the European Commission, with no known restrictions at typical concentrations.
- Common uses
- Moisturizers, Serums, Cleansers, Makeup
- Environmental note
- As a synthetic ester, its production relies on petrochemical or industrial processes, which may have a higher environmental footprint compared to plant-derived alternatives.
Good to know
- Isopropyl Linoleate is often used in combination with other emollients to achieve a specific skin feel.
- It is different from linoleic acid, which is a beneficial fatty acid for skin barrier health.
Common questions
What is Isopropyl Linoleate in beauty products?
Isopropyl Linoleate is a synthetic oil-like ingredient made from linoleic acid (an omega-6 fatty acid found in plant oils) and isopropyl alcohol. It spreads easily on the skin, making it feel smooth and soft without being greasy. However, because it is an ester, it can be moderately comedogenic, meaning it might block pores and cause breakouts in acne-prone individuals.
What does Isopropyl Linoleate do in a beauty product?
It works by depositing a thin, non-greasy film on the skin's surface, which reduces water loss and makes the skin feel smoother. As an emollient, it fills in gaps between skin cells, softening the skin and improving its appearance.
Is Isopropyl Linoleate safe for most people?
Isopropyl Linoleate is considered safe for use in cosmetics at typical concentrations. The main concern is its moderate comedogenic potential, which can cause breakouts in susceptible individuals. It is not known to be toxic or irritating.
Who should be careful with Isopropyl Linoleate?
Individuals with oily, acne-prone, or clog-prone skin Anyone seeking 100% natural ingredients
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.