Ingredient review
Disodium Deceth-6 Sulfosuccinate
INCI: Disodium Deceth-6 Sulfosuccinate
A gentle, sulfate-free surfactant that effectively cleanses without over-drying, making it a great choice for sensitive or dry skin.
In plain English
Disodium Deceth-6 Sulfosuccinate is a mild cleansing ingredient often used in soaps and shampoos. It helps remove dirt and oil from your skin and hair, but unlike harsher detergents, it's less likely to leave your skin feeling tight or dry. Think of it as a gentle cleaner that gets the job done without being too aggressive.
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 Deceth-6 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 Deceth-6 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 coconut oil and ethylene oxide, modified with sulfosuccinate to make it extra mild. It belongs to the sulfosuccinate family, known for gentle cleansing.
How it works
It works by lowering the surface tension of water, allowing oil and dirt to be rinsed away. Its large molecular structure makes it less penetrating into the skin barrier, which reduces irritation compared to smaller, harsher surfactants.
Pros
Very gentle on skin
Its large molecular structure means it's less likely to penetrate and irritate the skin, making it ideal for sensitive or compromised skin barriers.
Sulfate-free alternative
Provides effective cleansing without sodium lauryl sulfate (SLS) or sodium laureth sulfate (SLES), which can be overly drying for many people.
Cons and cautions
Synthetic origin
It is manufactured through chemical processes, which may be a turn-off for those seeking 100% natural or 'clean' beauty products.
Potential for mild drying at high levels
While generally mild, formulas with very high concentrations may still cause some dryness, especially for very dry or eczema-prone skin.
Best for
- People with dry or sensitive skin looking for a non-stripping cleanser
- Anyone wanting a sulfate-free shampoo or body wash
Use caution if
- Those who prefer exclusively natural or plant-derived ingredients
Usage tips
Safety summary
Disodium Deceth-6 Sulfosuccinate is considered safe for use in cosmetics at typical concentrations. It has a low irritation and sensitization potential, making it suitable for sensitive skin. No significant safety concerns have been raised by regulatory bodies.
Research notes
Research indicates that sulfosuccinates are among the mildest anionic surfactants, with low skin irritation and good biodegradability. Most safety data come from industry-sponsored studies and regulatory reviews, with no major red flags.
Common label clues
- Typical concentration
- 1–10% in rinse-off products
- Regulatory status
- Approved for use in cosmetics in the US, EU, and other major markets. The Cosmetic Ingredient Review (CIR) panel has deemed sulfosuccinates safe as used in rinse-off products.
- Common uses
- Gentle facial cleansers, Body washes, Shampoos, Baby care products
- Environmental note
- Synthetic but biodegradable. Its production involves petrochemical-derived ethylene oxide, which has a higher carbon footprint than some plant-based alternatives.
Good to know
- Often used alongside other mild surfactants like cocamidopropyl betaine to boost foam and gentleness.
- It is biodegradable and considered safe for aquatic life at typical use levels.
Common questions
What is Disodium Deceth-6 Sulfosuccinate in beauty products?
Disodium Deceth-6 Sulfosuccinate is a mild cleansing ingredient often used in soaps and shampoos. It helps remove dirt and oil from your skin and hair, but unlike harsher detergents, it's less likely to leave your skin feeling tight or dry. Think of it as a gentle cleaner that gets the job done without being too aggressive.
What does Disodium Deceth-6 Sulfosuccinate do in a beauty product?
It works by lowering the surface tension of water, allowing oil and dirt to be rinsed away. Its large molecular structure makes it less penetrating into the skin barrier, which reduces irritation compared to smaller, harsher surfactants.
Is Disodium Deceth-6 Sulfosuccinate safe for most people?
Disodium Deceth-6 Sulfosuccinate is considered safe for use in cosmetics at typical concentrations. It has a low irritation and sensitization potential, making it suitable for sensitive skin. No significant safety concerns have been raised by regulatory bodies.
Who should be careful with Disodium Deceth-6 Sulfosuccinate?
Those who prefer exclusively natural or plant-derived ingredients
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.