Ingredient review
Disodium Nonoxynol-10 Sulfosuccinate
INCI: Disodium Nonoxynol-10 Sulfosuccinate
A gentle, synthetic surfactant that effectively cleanses without being harsh, making it a good choice for sensitive skin.
In plain English
Disodium Nonoxynol-10 Sulfosuccinate is a mild soap-like ingredient that helps water mix with oil and dirt so they can be rinsed away. It is often used in cleansers and shampoos because it cleans effectively but is less likely to cause dryness or irritation compared to stronger detergents like sodium lauryl sulfate. Think of it as a gentle helper that lifts away makeup, sunscreen, and daily grime without leaving your skin feeling tight or stripped.
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
Disodium Nonoxynol-10 Sulfosuccinate 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 Disodium Nonoxynol-10 Sulfosuccinate.
- 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 surfactant derived from nonoxynol and sulfosuccinic acid. It belongs to the sulfosuccinate family, known for their mild cleansing properties.
How it works
It reduces the surface tension between water and oil, allowing impurities to be emulsified and washed away. Its large molecular structure makes it less penetrating and therefore less irritating to the skin barrier.
Pros
Gentle on skin
Its large molecular structure means it stays on the skin's surface, removing dirt without penetrating or stripping the natural moisture barrier.
Good for sensitive formulas
Often used in baby shampoos and facial cleansers because it cleans effectively with minimal irritation risk.
Cons and cautions
Synthetic origin
It is man-made, which may be a drawback for those seeking naturally derived or 'clean' beauty products.
Potential for mild dryness
In high concentrations or with very frequent use, it can still cause slight dryness, especially for already dry skin.
Best for
- People with sensitive or easily irritated skin
- Those looking for a sulfate-free cleanser option
Use caution if
- Individuals who strictly avoid all synthetic ingredients
- Those with known allergies to sulfosuccinate compounds (rare)
Usage tips
Safety summary
Disodium Nonoxynol-10 Sulfosuccinate is considered safe for use in cosmetics at typical concentrations. It has a low irritation and comedogenic risk, making it suitable for sensitive skin. Rare allergic reactions are possible but uncommon.
Research notes
Sulfosuccinates are well-documented as mild surfactants in dermatological literature. Studies show they cause less skin barrier disruption compared to traditional sulfates. However, specific long-term human studies on this exact compound are limited.
Common label clues
- Typical concentration
- 1% to 10% in rinse-off products
- Regulatory status
- Approved for use in cosmetics in the US (FDA) and EU (CosIng) with no known restrictions at typical concentrations.
- Common uses
- Facial cleansers, Body washes, Shampoos, Baby products
- Environmental note
- As a synthetic surfactant, it may have moderate biodegradability; always check product-specific environmental claims.
Good to know
- It is often used as a secondary surfactant to boost foam and mildness in sulfate-free formulas.
- The 'nonoxynol' part refers to a nonionic surfactant chain that helps stabilize the formula.
Common questions
What is Disodium Nonoxynol-10 Sulfosuccinate in beauty products?
Disodium Nonoxynol-10 Sulfosuccinate is a mild soap-like ingredient that helps water mix with oil and dirt so they can be rinsed away. It is often used in cleansers and shampoos because it cleans effectively but is less likely to cause dryness or irritation compared to stronger detergents like sodium lauryl sulfate. Think of it as a gentle helper that lifts away makeup, sunscreen, and daily grime without leaving your skin feeling tight or stripped.
What does Disodium Nonoxynol-10 Sulfosuccinate do in a beauty product?
It reduces the surface tension between water and oil, allowing impurities to be emulsified and washed away. Its large molecular structure makes it less penetrating and therefore less irritating to the skin barrier.
Is Disodium Nonoxynol-10 Sulfosuccinate safe for most people?
Disodium Nonoxynol-10 Sulfosuccinate is considered safe for use in cosmetics at typical concentrations. It has a low irritation and comedogenic risk, making it suitable for sensitive skin. Rare allergic reactions are possible but uncommon.
Who should be careful with Disodium Nonoxynol-10 Sulfosuccinate?
Individuals who strictly avoid all synthetic ingredients Those with known allergies to sulfosuccinate compounds (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.