Ingredient review
Polyglyceryl-10 Eicosanedioate/Tetradecanedioate
INCI: Polyglyceryl-10 Eicosanedioate/Tetradecanedioate
A mild, multi-functional emulsifier that stabilizes formulas and leaves skin feeling smooth without clogging pores.
In plain English
This ingredient is a gentle helper that allows water and oil to mix together in your skincare products, creating a smooth, creamy texture. It's made from natural glycerin and plant-based fatty acids, so it's very unlikely to irritate skin or cause breakouts. Think of it as the quiet workhorse that makes your lotion feel silky and spread evenly.
Review score
Safety, usefulness, and evidence
Strong fit for many routines
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
- semi synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Easy yes for most routines
Polyglyceryl-10 Eicosanedioate/Tetradecanedioate 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-10 Eicosanedioate/Tetradecanedioate.
- 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 semi-synthetic ester derived from polyglycerin (from plant glycerin) and long-chain dicarboxylic acids (eicosanedioic and tetradecanedioic acids). It functions primarily as an emulsifier and skin-conditioning agent.
How it works
Its molecular structure has both water-loving (hydrophilic) and oil-loving (lipophilic) parts, allowing it to reduce surface tension between oil and water droplets. This creates a stable, uniform emulsion that feels lightweight and absorbs quickly into the skin without leaving a greasy residue.
Pros
Gentle on sensitive skin
With a low irritation risk, this emulsifier is well-tolerated even by those with eczema or rosacea, making it a safe choice for daily use.
Non-greasy finish
Unlike some heavier emulsifiers, it leaves a silky, lightweight feel on the skin, which is ideal for daytime moisturizers and serums.
Cons and cautions
Limited research depth
While safety data is positive, there are fewer peer-reviewed studies on this specific compound compared to older emulsifiers like glyceryl stearate.
Potential pH sensitivity
Its emulsifying performance may be less stable in very acidic or alkaline formulas, though this is rarely an issue in typical skincare pH ranges.
Best for
- Anyone with sensitive or reactive skin looking for gentle emulsifiers
- People with oily or acne-prone skin who want non-greasy moisturizers
Use caution if
- Those with known allergies to polyglycerin derivatives (very rare)
Usage tips
Safety summary
Polyglyceryl-10 Eicosanedioate/Tetradecanedioate is considered safe for cosmetic use with very low irritation and comedogenic potential. No significant safety concerns have been reported in available literature.
Research notes
Research on this specific compound is limited, but it belongs to the well-studied family of polyglyceryl esters, which have a strong safety profile. Studies on similar polyglyceryl emulsifiers show good skin tolerance and low toxicity.
Common label clues
- Typical concentration
- 0.5–5%
- Regulatory status
- Approved for use in cosmetics in the EU, US, and Japan. No known restrictions at typical use levels.
- Common uses
- Moisturizers, Serums, Cleansers, Sunscreens
- Environmental note
- Derived from plant-based glycerin and dicarboxylic acids, it is biodegradable and considered environmentally low-impact.
Good to know
- Polyglyceryl-10 Eicosanedioate/Tetradecanedioate is often used in 'clean beauty' formulations because it is derived from renewable plant sources.
- It is compatible with both synthetic and natural oils, making it versatile for various product types.
Common questions
What is Polyglyceryl-10 Eicosanedioate/Tetradecanedioate in beauty products?
This ingredient is a gentle helper that allows water and oil to mix together in your skincare products, creating a smooth, creamy texture. It's made from natural glycerin and plant-based fatty acids, so it's very unlikely to irritate skin or cause breakouts. Think of it as the quiet workhorse that makes your lotion feel silky and spread evenly.
What does Polyglyceryl-10 Eicosanedioate/Tetradecanedioate do in a beauty product?
Its molecular structure has both water-loving (hydrophilic) and oil-loving (lipophilic) parts, allowing it to reduce surface tension between oil and water droplets. This creates a stable, uniform emulsion that feels lightweight and absorbs quickly into the skin without leaving a greasy residue.
Is Polyglyceryl-10 Eicosanedioate/Tetradecanedioate safe for most people?
Polyglyceryl-10 Eicosanedioate/Tetradecanedioate is considered safe for cosmetic use with very low irritation and comedogenic potential. No significant safety concerns have been reported in available literature.
Who should be careful with Polyglyceryl-10 Eicosanedioate/Tetradecanedioate?
Those with known allergies to polyglycerin derivatives (very 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.