Ingredient review
Cetyl/Lauryl/Myristyl Hydroxysultaine
INCI: Cetyl/Lauryl/Myristyl Hydroxysultaine
A gentle, low-irritation surfactant blend that cleanses effectively without stripping the skin, making it a great choice for sensitive or dry skin types.
In plain English
This ingredient is a blend of three fatty-chain hydroxysultaines, which are mild cleansing agents. Unlike harsh soaps, it helps remove dirt and oil while being very gentle on the skin barrier. It also helps create a rich, creamy lather in products like face washes and shampoos.
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
Cetyl/Lauryl/Myristyl 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 Cetyl/Lauryl/Myristyl 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 synthetic amphoteric surfactant derived from fatty alcohols (cetyl, lauryl, myristyl) modified with a hydroxysultaine group. It is part of the sultaine family, known for being milder than sulfates.
How it works
It reduces the surface tension between water and oil, allowing dirt and sebum to be rinsed away. Its amphoteric nature (carrying both positive and negative charges) makes it compatible with other surfactants and less likely to irritate the skin.
Pros
Very gentle on skin
Its mild amphoteric nature means it cleanses without stripping natural oils, making it ideal for daily use on sensitive or dry skin.
Enhances lather
It boosts foam and improves the sensory feel of cleansers, so you get a rich, creamy lather without harsh sulfates.
Cons and cautions
Synthetic origin
It is manufactured in a lab, which may be a drawback for those who prefer all-natural or plant-derived ingredients.
Less effective for heavy oil
For very oily or acne-prone skin, this gentle cleanser may not remove excess sebum as thoroughly as stronger surfactants.
Best for
- People with dry or sensitive skin
- Those looking for a sulfate-free cleanser
- Parents choosing gentle baby washes
Use caution if
- Individuals seeking a completely natural ingredient list
Usage tips
Safety summary
Cetyl/Lauryl/Myristyl Hydroxysultaine is considered safe for use in cosmetics at typical concentrations. It has low irritation and sensitization potential, and is not known to be comedogenic. Always patch test if you have very reactive skin.
Research notes
Sultaine surfactants are well-documented in cosmetic science as mild alternatives to sulfates. Studies show they cause less skin barrier disruption and are suitable for sensitive skin. However, specific long-term human studies on this exact blend are limited.
Common label clues
- Typical concentration
- 1–10% in rinse-off products
- Regulatory status
- Approved for use in cosmetics in the EU, US, and other major markets. No known restrictions at typical concentrations.
- Common uses
- Facial cleansers, Body washes, Shampoos, Baby care products
- Environmental note
- Synthetic surfactants may have moderate biodegradability; check product-specific environmental claims.
Good to know
- This ingredient is often part of a 'sulfate-free' surfactant system.
- It is compatible with both acidic and alkaline pH ranges, making it versatile in formulations.
Common questions
What is Cetyl/Lauryl/Myristyl Hydroxysultaine in beauty products?
This ingredient is a blend of three fatty-chain hydroxysultaines, which are mild cleansing agents. Unlike harsh soaps, it helps remove dirt and oil while being very gentle on the skin barrier. It also helps create a rich, creamy lather in products like face washes and shampoos.
What does Cetyl/Lauryl/Myristyl Hydroxysultaine do in a beauty product?
It reduces the surface tension between water and oil, allowing dirt and sebum to be rinsed away. Its amphoteric nature (carrying both positive and negative charges) makes it compatible with other surfactants and less likely to irritate the skin.
Is Cetyl/Lauryl/Myristyl Hydroxysultaine safe for most people?
Cetyl/Lauryl/Myristyl Hydroxysultaine is considered safe for use in cosmetics at typical concentrations. It has low irritation and sensitization potential, and is not known to be comedogenic. Always patch test if you have very reactive skin.
Who should be careful with Cetyl/Lauryl/Myristyl Hydroxysultaine?
Individuals seeking a completely natural ingredient list
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.