Ingredient review
Calcium Dodecylbenzenesulfonate
INCI: CALCIUM DODECYLBENZENESULFONATE
A strong synthetic surfactant more at home in heavy-duty cleaners than in gentle skincare; potential irritant.
In plain English
Calcium dodecylbenzenesulfonate is a man-made detergent ingredient that helps oil and water mix and lifts dirt and grease. It is very effective at cleaning but can be harsh on skin, stripping natural oils and causing dryness or irritation. You are far more likely to find it in dish soap or laundry detergent than in a facial cleanser.
Review score
Safety, usefulness, and evidence
Higher-caution ingredient
The evidence base is useful, but some claims depend heavily on the formula.
Main practical flags: irritation is high; clogging risk is low.
- Source
- synthetic
- Evidence
- moderate
- Irritation
- high
- Clogging risk
- low
Quick decision guide
Read the cautions before using
Calcium Dodecylbenzenesulfonate can be useful, but watch for high irritation potential.
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 Calcium Dodecylbenzenesulfonate.
- 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
highMore likely to cause dryness, stinging, peeling, or reactivity if used too aggressively.
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 anionic surfactant (a type of detergent) derived from dodecylbenzene sulfonic acid neutralized with calcium. It is a salt that acts as a powerful cleansing and emulsifying agent.
How it works
It reduces the surface tension between water and oil, allowing oily dirt and sebum to be rinsed away. In a formula, it helps stabilize mixtures of oil and water and boosts foaming and cleaning power.
Pros
Strong degreasing power
Effectively breaks down heavy oils and grease, making it useful in industrial hand cleaners and household degreasers.
Good emulsifier
Helps keep oil and water mixed in a stable formula, which is important for certain cleaning products.
Cons and cautions
High irritation potential
Can strip the skin's natural oils and disrupt the moisture barrier, leading to dryness, tightness, and irritation.
Not designed for skincare
This ingredient is primarily used in industrial and household cleaners; its presence in a skincare product is a red flag for gentleness.
Best for
- People who need a heavy-duty hand cleaner for grease or oil stains (with caution)
- Industrial or household cleaning contexts (not daily skincare)
Use caution if
- Anyone with sensitive, dry, or eczema-prone skin
- Those looking for a gentle facial or body cleanser
Usage tips
Safety summary
Calcium dodecylbenzenesulfonate is a strong surfactant with a high irritation risk for skin and eyes. It is not recommended for routine skincare, especially for sensitive or dry skin types. Its use in personal care is rare and generally limited to heavy-duty hand cleansers.
Research notes
Studies on dodecylbenzenesulfonate salts indicate they can cause skin and eye irritation. Most safety data comes from industrial hygiene contexts rather than cosmetic use. The Cosmetic Ingredient Review (CIR) has not specifically reviewed this calcium salt, but related sulfonates are considered safe only at low concentrations and with proper formulation.
Common label clues
- Typical concentration
- Very low (under 1%) in the rare personal care formulas that include it
- Regulatory status
- Approved for use in industrial and household cleaning products in many regions. In cosmetics, it is allowed but rarely used due to its harshness. Always follow local regulations.
- Common uses
- Industrial cleaners, Household detergents
- Environmental note
- Dodecylbenzenesulfonates can be slow to biodegrade in some conditions and may be toxic to aquatic life at high concentrations.
Good to know
- This ingredient is more common in laundry detergents and dish soaps than in skincare.
- It is often listed on industrial safety data sheets rather than cosmetic ingredient labels.
Common questions
What is Calcium Dodecylbenzenesulfonate in beauty products?
Calcium dodecylbenzenesulfonate is a man-made detergent ingredient that helps oil and water mix and lifts dirt and grease. It is very effective at cleaning but can be harsh on skin, stripping natural oils and causing dryness or irritation. You are far more likely to find it in dish soap or laundry detergent than in a facial cleanser.
What does Calcium Dodecylbenzenesulfonate do in a beauty product?
It reduces the surface tension between water and oil, allowing oily dirt and sebum to be rinsed away. In a formula, it helps stabilize mixtures of oil and water and boosts foaming and cleaning power.
Is Calcium Dodecylbenzenesulfonate safe for most people?
Calcium dodecylbenzenesulfonate is a strong surfactant with a high irritation risk for skin and eyes. It is not recommended for routine skincare, especially for sensitive or dry skin types. Its use in personal care is rare and generally limited to heavy-duty hand cleansers.
Who should be careful with Calcium Dodecylbenzenesulfonate?
Anyone with sensitive, dry, or eczema-prone skin Those looking for a gentle facial or body cleanser
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.