Ingredient review
PEG-75 Dilaurate
INCI: PEG-75 Dilaurate
PEG-75 Dilaurate is a safe, widely used emulsifier that helps mix oil and water in cleansers and lotions, but its PEG origin raises mild environmental and purity concerns.
In plain English
PEG-75 Dilaurate is a synthetic ingredient made from polyethylene glycol (PEG) and lauric acid (a fatty acid from coconut or palm oil). It acts like a bridge between oil and water, allowing them to blend into a stable, smooth product. You'll find it in cleansers, shampoos, and lotions where it helps spread and rinse away dirt and oil. While generally considered safe for most skin types, some people prefer to avoid PEGs due to potential contamination during manufacturing or environmental persistence.
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-75 Dilaurate 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-75 Dilaurate.
- 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
PEG-75 Dilaurate is a polyethylene glycol (PEG) derivative combined with lauric acid. It belongs to a class of ingredients called ethoxylated surfactants, which are created through a chemical process that adds ethylene oxide to fatty acids. The '75' refers to the average number of ethylene oxide units in the molecule.
How it works
In a cosmetic product, PEG-75 Dilaurate lowers the surface tension between oil and water, allowing them to mix into a stable emulsion. It also helps dissolve dirt and excess oil on the skin, making it easier to rinse away with water. In cleansers, it contributes to a mild foaming action without stripping the skin's natural moisture barrier.
Pros
Effective emulsifier
PEG-75 Dilaurate reliably blends oil and water, giving lotions and cleansers a smooth, uniform texture that feels pleasant on the skin.
Low irritation potential
It is considered mild and non-irritating for most people, making it suitable for daily use in rinse-off products like facial cleansers and shampoos.
Cons and cautions
Ethoxylation concerns
The manufacturing process can create trace amounts of 1,4-dioxane, a potential contaminant. Reputable brands purify their ingredients to remove it, but it remains a concern for some consumers.
Not biodegradable
PEG compounds can persist in the environment, especially in water systems, which raises sustainability concerns compared to plant-based alternatives.
Best for
- People with normal to oily skin looking for gentle cleansers
- Anyone using rinse-off products like shampoos or body washes
Use caution if
- Those with known sensitivity or allergy to PEG derivatives (rare)
- Consumers seeking 100% natural or PEG-free formulations
Usage tips
Safety summary
PEG-75 Dilaurate is considered safe for use in cosmetics at typical concentrations. The main safety concern is potential contamination with 1,4-dioxane during manufacturing, but reputable suppliers and brands control for this. It is generally non-irritating and non-comedogenic.
Research notes
Research on PEG-75 Dilaurate specifically is limited, but the broader class of PEG derivatives has been reviewed by the Cosmetic Ingredient Review (CIR) panel, which found them safe for cosmetic use when properly formulated. Studies indicate low acute toxicity and low skin irritation potential.
Common label clues
- Typical concentration
- 1% to 5%
- Regulatory status
- Approved for use in cosmetics in the US (FDA), EU, and many other regions. The Cosmetic Ingredient Review (CIR) panel has deemed PEG derivatives safe when formulated to meet purity standards.
- Common uses
- Cleansers, Shampoos, Body washes, Lotions
- Environmental note
- PEG compounds are not readily biodegradable and can accumulate in aquatic environments. Some manufacturers are moving toward more eco-friendly alternatives.
Good to know
- PEG-75 Dilaurate is often used alongside other surfactants to balance cleansing power and mildness
- The number '75' indicates the polymer chain length, which affects how water-soluble the ingredient is
Common questions
What is PEG-75 Dilaurate in beauty products?
PEG-75 Dilaurate is a synthetic ingredient made from polyethylene glycol (PEG) and lauric acid (a fatty acid from coconut or palm oil). It acts like a bridge between oil and water, allowing them to blend into a stable, smooth product. You'll find it in cleansers, shampoos, and lotions where it helps spread and rinse away dirt and oil. While generally considered safe for most skin types, some people prefer to avoid PEGs due to potential contamination during manufacturing or environmental persistence.
What does PEG-75 Dilaurate do in a beauty product?
In a cosmetic product, PEG-75 Dilaurate lowers the surface tension between oil and water, allowing them to mix into a stable emulsion. It also helps dissolve dirt and excess oil on the skin, making it easier to rinse away with water. In cleansers, it contributes to a mild foaming action without stripping the skin's natural moisture barrier.
Is PEG-75 Dilaurate safe for most people?
PEG-75 Dilaurate is considered safe for use in cosmetics at typical concentrations. The main safety concern is potential contamination with 1,4-dioxane during manufacturing, but reputable suppliers and brands control for this. It is generally non-irritating and non-comedogenic.
Who should be careful with PEG-75 Dilaurate?
Those with known sensitivity or allergy to PEG derivatives (rare) Consumers seeking 100% natural or PEG-free formulations
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.