Ingredient review
Sodium Dicarboxyethylcoco Phosphoethyl Imidazoline
INCI: SODIUM DICARBOXYETHYLCOCO PHOSPHOETHYL IMIDAZOLINE
A mild, coconut-derived surfactant that cleanses without stripping the skin, making it a good choice for sensitive or dry skin types.
In plain English
This ingredient is a gentle cleansing agent made from coconut oil. It helps remove dirt and oil from your skin and hair without causing irritation or dryness, unlike harsher soaps. You'll often find it in mild face washes, baby shampoos, and body cleansers.
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
Sodium Dicarboxyethylcoco Phosphoethyl Imidazoline 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 Sodium Dicarboxyethylcoco Phosphoethyl Imidazoline.
- 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 derived from coconut fatty acids and modified with phosphoethyl and imidazoline groups to reduce irritation potential.
How it works
It lowers the surface tension between water and oil, allowing dirt and sebum to be rinsed away. Its large molecular structure and mild charge make it less penetrating into the skin barrier, which reduces irritation.
Pros
Very gentle on skin
Its large molecular structure means it doesn't penetrate deeply into the skin barrier, reducing the risk of irritation and dryness compared to harsher sulfates.
Coconut-derived and biodegradable
Sourced from renewable coconut oil, this surfactant breaks down more easily in the environment than many petroleum-based cleansers.
Cons and cautions
Limited cleansing power for heavy products
It may not fully remove heavy makeup or waterproof sunscreen on its own, often requiring combination with stronger surfactants.
Potential for slight dryness at high levels
In formulations above 10%, some users with very dry skin may notice mild tightness after rinsing.
Best for
- People with dry or sensitive skin looking for a gentle cleanser
- Those who prefer coconut-derived, milder cleansing ingredients
Use caution if
- Individuals with known coconut allergies (rare, but possible cross-reactivity)
Usage tips
Safety summary
Sodium dicarboxyethylcoco phosphoethyl imidazoline has a low irritation and sensitization profile based on available safety data. It is considered safe for use in rinse-off cosmetic products at typical concentrations.
Research notes
While not as extensively studied as common surfactants like cocamidopropyl betaine, existing safety assessments and formulation experience indicate it is a mild, well-tolerated cleansing agent. No significant toxicity concerns have been reported.
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 specific concentration restrictions beyond general surfactant safety guidelines.
- Common uses
- Facial cleansers, Body washes, Shampoos, Baby care products
- Environmental note
- Derived from coconut oil, a renewable resource. It is biodegradable and considered more eco-friendly than many petroleum-based surfactants.
Good to know
- This ingredient is often used in 'sulfate-free' cleansers as a primary or secondary surfactant.
- It is considered safe for use in baby care products by many formulators.
Common questions
What is Sodium Dicarboxyethylcoco Phosphoethyl Imidazoline in beauty products?
This ingredient is a gentle cleansing agent made from coconut oil. It helps remove dirt and oil from your skin and hair without causing irritation or dryness, unlike harsher soaps. You'll often find it in mild face washes, baby shampoos, and body cleansers.
What does Sodium Dicarboxyethylcoco Phosphoethyl Imidazoline do in a beauty product?
It lowers the surface tension between water and oil, allowing dirt and sebum to be rinsed away. Its large molecular structure and mild charge make it less penetrating into the skin barrier, which reduces irritation.
Is Sodium Dicarboxyethylcoco Phosphoethyl Imidazoline safe for most people?
Sodium dicarboxyethylcoco phosphoethyl imidazoline has a low irritation and sensitization profile based on available safety data. It is considered safe for use in rinse-off cosmetic products at typical concentrations.
Who should be careful with Sodium Dicarboxyethylcoco Phosphoethyl Imidazoline?
Individuals with known coconut allergies (rare, but possible cross-reactivity)
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.