Ingredient review
PEG-5 Lanolinamide
INCI: PEG-5 Lanolinamide
A gentle, lanolin-derived emulsifier that helps blend water and oil, but may be comedogenic for acne-prone skin.
In plain English
PEG-5 Lanolinamide is a modified form of lanolin (a natural oil from sheep's wool) that has been treated with ethylene oxide to make it water-soluble. In skincare, it acts as a helper ingredient that allows oil and water to mix smoothly, and it also leaves a soft, conditioning feel on skin and hair. Because it is derived from lanolin, it can sometimes clog pores or cause reactions in people with wool allergies.
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
- semi synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- moderate
Quick decision guide
Useful, but context matters
PEG-5 Lanolinamide 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 PEG-5 Lanolinamide.
- 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
A semi-synthetic ingredient made by reacting lanolin (a waxy substance from sheep's wool) with ethylene oxide, creating a water-soluble emulsifier and conditioning agent.
How it works
It reduces surface tension between oil and water, allowing them to blend into a stable cream or lotion. It also deposits a thin, moisturizing film on skin or hair, improving softness and manageability.
Pros
Effective emulsifier
Helps oil and water mix into stable, creamy formulas that feel smooth and non-greasy on skin.
Mild conditioning
Leaves a soft, moisturizing film on skin and hair without heavy residue, making it suitable for daily use.
Cons and cautions
Potential pore clogging
Because it is derived from lanolin, it has a moderate comedogenic rating and may cause breakouts in acne-prone individuals.
Allergen risk
People with wool or lanolin allergies may experience contact dermatitis or irritation when using products containing this ingredient.
Best for
- People with dry or normal skin looking for gentle conditioning
- Those using rinse-off cleansers or conditioners who want mild emulsification
Use caution if
- Individuals with known lanolin or wool allergies
- Acne-prone skin types concerned about pore clogging
Usage tips
Safety summary
Generally recognized as safe for most skin types at typical use levels, but moderate comedogenic risk and potential allergenicity for lanolin-sensitive individuals warrant caution.
Research notes
Limited direct studies on PEG-5 Lanolinamide, but its parent compound lanolin is well-studied as a skin conditioner and allergen. The ethoxylation reduces irritation potential compared to raw lanolin.
Common label clues
- Typical concentration
- Typically used at 0.5% to 5% in rinse-off products; lower in leave-on formulations
- Regulatory status
- Approved for use in cosmetics in the EU, US, and many other regions, subject to concentration limits and labeling requirements for lanolin derivatives.
- Common uses
- Moisturizers, Cleansers, Hair conditioners, Bar soaps
- Environmental note
- Derived from a natural byproduct (wool grease), but the ethoxylation process involves synthetic chemistry and may raise concerns about biodegradability.
Good to know
- PEG-5 Lanolinamide is often found in bar soaps and syndet bars for its mild cleansing and conditioning properties.
- The 'PEG-5' indicates the number of ethylene oxide units added, which determines its water solubility and mildness.
Common questions
What is PEG-5 Lanolinamide in beauty products?
PEG-5 Lanolinamide is a modified form of lanolin (a natural oil from sheep's wool) that has been treated with ethylene oxide to make it water-soluble. In skincare, it acts as a helper ingredient that allows oil and water to mix smoothly, and it also leaves a soft, conditioning feel on skin and hair. Because it is derived from lanolin, it can sometimes clog pores or cause reactions in people with wool allergies.
What does PEG-5 Lanolinamide do in a beauty product?
It reduces surface tension between oil and water, allowing them to blend into a stable cream or lotion. It also deposits a thin, moisturizing film on skin or hair, improving softness and manageability.
Is PEG-5 Lanolinamide safe for most people?
Generally recognized as safe for most skin types at typical use levels, but moderate comedogenic risk and potential allergenicity for lanolin-sensitive individuals warrant caution.
Who should be careful with PEG-5 Lanolinamide?
Individuals with known lanolin or wool allergies Acne-prone skin types concerned about pore clogging
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.