Ingredient review
Glyceryl Isotridecanoate/Stearate/Adipate
INCI: GLYCERYL ISOTRIDECANOATE/STEARATE/ADIPATE
A gentle, synthetic emollient that softens skin and improves product feel without clogging pores.
In plain English
This ingredient is a man-made oil-like substance that spreads easily on the skin, making it feel smooth and soft. It's similar to the natural oils your skin produces but is designed to be non-greasy and stable in formulas. You'll find it in moisturizers and makeup to give a silky, comfortable finish.
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
Glyceryl Isotridecanoate/Stearate/Adipate 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 Glyceryl Isotridecanoate/Stearate/Adipate.
- 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 ester created by combining glycerin with three different fatty acids (isotridecanoic, stearic, and adipic acids). It functions as an emollient and skin conditioner.
How it works
It sits on the skin's surface, filling in tiny gaps between skin cells to create a smooth, soft feel. It also helps other ingredients spread evenly and reduces the 'drag' when applying products.
Pros
Gentle on skin
Has a low irritation risk, making it suitable for sensitive skin types and daily use.
Non-comedogenic
Unlikely to clog pores, so it's a good choice for acne-prone individuals who still need moisture.
Cons and cautions
Synthetic origin
Derived from petrochemicals, which may be a concern for those seeking natural or sustainable ingredients.
Limited skin benefits
Primarily a texture enhancer; it doesn't provide active benefits like antioxidants or hydration beyond surface softening.
Best for
- People with normal to dry skin seeking a gentle emollient
- Those who prefer non-greasy moisturizers and lightweight textures
Use caution if
- Individuals strictly avoiding all synthetic ingredients
- Those with known allergies to specific fatty acid esters (rare)
Usage tips
Safety summary
Considered safe for cosmetic use at typical concentrations. Low irritation and comedogenic ratings. No significant safety concerns reported in regulatory reviews.
Research notes
Limited peer-reviewed studies specific to this exact ester, but the broader class of glyceryl esters is well-studied and regarded as safe. Safety assessments rely on analog data from similar compounds.
Common label clues
- Typical concentration
- 1–10%
- Regulatory status
- Approved for use in cosmetics in the EU, US, and most major markets. No known restrictions at typical concentrations.
- Common uses
- Moisturizers, Creams, Lotions, Lip products, Makeup
- Environmental note
- As a synthetic ingredient, its production relies on fossil fuels. Biodegradability data is limited, but esters generally break down more readily than silicones.
Good to know
- Often used in combination with other emollients to achieve a specific texture
- Stable in formulas and resistant to oxidation, giving products a longer shelf life
Common questions
What is Glyceryl Isotridecanoate/Stearate/Adipate in beauty products?
This ingredient is a man-made oil-like substance that spreads easily on the skin, making it feel smooth and soft. It's similar to the natural oils your skin produces but is designed to be non-greasy and stable in formulas. You'll find it in moisturizers and makeup to give a silky, comfortable finish.
What does Glyceryl Isotridecanoate/Stearate/Adipate do in a beauty product?
It sits on the skin's surface, filling in tiny gaps between skin cells to create a smooth, soft feel. It also helps other ingredients spread evenly and reduces the 'drag' when applying products.
Is Glyceryl Isotridecanoate/Stearate/Adipate safe for most people?
Considered safe for cosmetic use at typical concentrations. Low irritation and comedogenic ratings. No significant safety concerns reported in regulatory reviews.
Who should be careful with Glyceryl Isotridecanoate/Stearate/Adipate?
Individuals strictly avoiding all synthetic ingredients Those with known allergies to specific fatty acid esters (rare)
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.