Ingredient review
PEG-7 Trimethylolpropane Coconut Ether
INCI: PEG-7 TRIMETHYLOLPROPANE COCONUT ETHER
A gentle, coconut-derived cleansing ingredient that helps rinse away dirt and oil without stripping the skin.
In plain English
This ingredient is a mild cleanser made from coconut oil and a small amount of PEG (a safe, water-loving compound). It helps water and oil mix together so that dirt, makeup, and excess oil can be rinsed away easily. Because it's gentle, it's often used in products for sensitive or dry skin.
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
- semi synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
PEG-7 Trimethylolpropane Coconut Ether 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-7 Trimethylolpropane Coconut Ether.
- 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 surfactant and emulsifier created by reacting coconut oil derivatives with PEG (polyethylene glycol) and trimethylolpropane. It is a clear to slightly hazy liquid that helps blend oil and water.
How it works
It reduces the surface tension between water and oil, allowing them to mix into a stable emulsion. In a cleanser, it surrounds dirt and oil particles so they can be lifted off the skin and rinsed away with water. Its mild nature means it cleans without stripping the skin's natural moisture barrier.
Pros
Very gentle on skin
Unlike harsher sulfates, this ingredient cleans effectively without causing tightness or irritation, making it ideal for daily use on sensitive or dry skin.
Good for makeup removal
Its ability to mix oil and water helps dissolve waterproof makeup and sunscreen without needing heavy oils or aggressive rubbing.
Cons and cautions
Semi-synthetic origin
Because it's made with PEG, it's not considered a fully natural ingredient. Some consumers prefer plant-based alternatives like glucosides.
Potential for mild irritation
While generally very mild, a small number of people with extremely reactive skin may experience slight stinging or redness, especially in high concentrations.
Best for
- People with dry or sensitive skin looking for a gentle cleanser
- Anyone who wants a non-stripping, effective makeup remover
Use caution if
- Those with known allergies to coconut-derived ingredients
- Individuals seeking 100% natural or fully biodegradable formulas
Usage tips
Safety summary
PEG-7 Trimethylolpropane Coconut Ether is considered safe for use in rinse-off cosmetics at typical concentrations. It has low irritation and comedogenic potential. Regulatory bodies like the Cosmetic Ingredient Review (CIR) have reviewed similar PEG ethers and found them safe when formulated properly.
Research notes
While specific studies on this exact ingredient are limited, the broader class of PEG ethers and coconut-derived surfactants has been well-studied for safety and mildness. They are widely used in dermatologist-recommended gentle cleansers.
Common label clues
- Typical concentration
- 1–10% in rinse-off formulas
- Regulatory status
- Approved for use in cosmetics in the EU, US, and other major markets. PEG compounds are regulated and must meet purity standards to limit impurities.
- Common uses
- Cleansers, Shampoos, Body washes, Makeup removers
- Environmental note
- Derived from coconut oil, a renewable resource. However, the PEG processing may have a moderate environmental footprint. It is not readily biodegradable in all conditions.
Good to know
- PEG-7 indicates a short PEG chain, which is considered safe and well-tolerated by skin.
- This ingredient is often used in 'gentle' or 'non-stripping' cleanser formulations.
Common questions
What is PEG-7 Trimethylolpropane Coconut Ether in beauty products?
This ingredient is a mild cleanser made from coconut oil and a small amount of PEG (a safe, water-loving compound). It helps water and oil mix together so that dirt, makeup, and excess oil can be rinsed away easily. Because it's gentle, it's often used in products for sensitive or dry skin.
What does PEG-7 Trimethylolpropane Coconut Ether do in a beauty product?
It reduces the surface tension between water and oil, allowing them to mix into a stable emulsion. In a cleanser, it surrounds dirt and oil particles so they can be lifted off the skin and rinsed away with water. Its mild nature means it cleans without stripping the skin's natural moisture barrier.
Is PEG-7 Trimethylolpropane Coconut Ether safe for most people?
PEG-7 Trimethylolpropane Coconut Ether is considered safe for use in rinse-off cosmetics at typical concentrations. It has low irritation and comedogenic potential. Regulatory bodies like the Cosmetic Ingredient Review (CIR) have reviewed similar PEG ethers and found them safe when formulated properly.
Who should be careful with PEG-7 Trimethylolpropane Coconut Ether?
Those with known allergies to coconut-derived ingredients Individuals seeking 100% natural or fully biodegradable formulas
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.