Ingredient review
Erucamidopropyl Hydroxysultaine
INCI: Erucamidopropyl Hydroxysultaine
A gentle, effective surfactant that creates rich foam without stripping the skin, making it a great choice for sensitive or dry skin types.
In plain English
Erucamidopropyl Hydroxysultaine is a mild cleansing ingredient often used in soaps and shampoos. It helps create a nice, bubbly lather while being gentle on the skin, so it won't leave your face feeling tight or dry like some harsher cleansers can.
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
Erucamidopropyl Hydroxysultaine 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 Erucamidopropyl Hydroxysultaine.
- 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 made from erucic acid (a fatty acid found in rapeseed oil) and modified to be amphoteric, meaning it can work in both acidic and alkaline formulas.
How it works
It reduces the surface tension between water and oil, allowing dirt and excess sebum to be rinsed away. Its amphoteric nature makes it mild and compatible with other surfactants, often used to reduce irritation from stronger cleansing agents.
Pros
Gentle on skin
Unlike harsher sulfates, this surfactant cleans without stripping the skin's moisture barrier, making it suitable for daily use on sensitive or dry skin.
Boosts foam quality
It helps create a rich, creamy lather that feels luxurious in cleansers and shampoos, improving the user experience without added irritation.
Cons and cautions
Potential for mild dryness
In very high concentrations or for extremely reactive skin, it may still cause slight tightness or dryness, though this is uncommon.
Limited research
Compared to more common surfactants like cocamidopropyl betaine, there is less published safety and efficacy data, though existing evidence supports its mildness.
Best for
- People with dry or sensitive skin looking for a gentle cleanser
- Anyone who prefers sulfate-free or mild cleansing formulas
Use caution if
- Individuals with known allergies to erucic acid or rapeseed oil derivatives (rare)
Usage tips
Safety summary
Erucamidopropyl Hydroxysultaine is considered safe for use in rinse-off cosmetics at typical concentrations. It has low irritation and comedogenic potential, though individuals with rare allergies to rapeseed derivatives should patch test.
Research notes
Research indicates it is a mild surfactant with good foam-boosting properties. While not as extensively studied as cocamidopropyl betaine, available safety assessments from cosmetic ingredient review panels support its use.
Common label clues
- Typical concentration
- 1–10% in rinse-off products
- Regulatory status
- Approved for use in cosmetics by the FDA and EU CosIng database as a safe surfactant at typical concentrations.
- Common uses
- Facial cleansers, Body washes, Shampoos, Shower gels
- Environmental note
- Derived from renewable plant sources (rapeseed oil), but the modification process involves synthetic chemistry; biodegradability data is limited but generally considered moderate.
Good to know
- It is often used alongside other mild surfactants to create a balanced cleansing system
- The 'erucamido' part comes from erucic acid, a fatty acid found in rapeseed oil
Common questions
What is Erucamidopropyl Hydroxysultaine in beauty products?
Erucamidopropyl Hydroxysultaine is a mild cleansing ingredient often used in soaps and shampoos. It helps create a nice, bubbly lather while being gentle on the skin, so it won't leave your face feeling tight or dry like some harsher cleansers can.
What does Erucamidopropyl Hydroxysultaine do in a beauty product?
It reduces the surface tension between water and oil, allowing dirt and excess sebum to be rinsed away. Its amphoteric nature makes it mild and compatible with other surfactants, often used to reduce irritation from stronger cleansing agents.
Is Erucamidopropyl Hydroxysultaine safe for most people?
Erucamidopropyl Hydroxysultaine is considered safe for use in rinse-off cosmetics at typical concentrations. It has low irritation and comedogenic potential, though individuals with rare allergies to rapeseed derivatives should patch test.
Who should be careful with Erucamidopropyl Hydroxysultaine?
Individuals with known allergies to erucic acid or rapeseed oil derivatives (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.