Ingredient review

Sodium Tridecylbenzenesulfonate

INCI: Sodium Tridecylbenzenesulfonate

A strong synthetic cleanser that effectively removes dirt and oil but may be drying or irritating for sensitive skin.

beautyskincarecleanser

In plain English

Sodium Tridecylbenzenesulfonate is a man-made detergent that helps water mix with oil and dirt so they can be rinsed away. It creates a rich lather and is commonly used in soaps and shampoos. Because it can strip natural oils, it may leave skin feeling tight or dry, especially if you have sensitive or dry skin.

Review score

Safety, usefulness, and evidence

3.5Good
3.5/ 5

Potentially useful with some tradeoffs

The evidence base is useful, but some claims depend heavily on the formula.

Main practical flags: irritation is moderate; clogging risk is low.

Source
synthetic
Evidence
moderate
Irritation
moderate
Clogging risk
low
How reviews are scored

Quick decision guide

Useful, but context matters

Sodium Tridecylbenzenesulfonate can be useful, but watch for some irritation potential.

Plain-English read

Treat this as a practical screening step before you compare products that contain this ingredient.

  1. Step 1Start with the score, then check the irritation and clogging risk before judging Sodium Tridecylbenzenesulfonate.
  2. Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
  3. 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

moderate

Can bother some users, especially with frequent use, damaged skin, or strong companion ingredients.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

A synthetic anionic surfactant derived from petroleum, belonging to the alkylbenzene sulfonate family. It is similar to sodium lauryl sulfate but with a longer carbon chain, which can make it slightly milder in some formulations.

How it works

It reduces the surface tension of water, allowing oil and dirt to be emulsified and washed away. Its negatively charged head group binds to positively charged particles, lifting them from the skin or hair surface.

Pros

Strong cleanser

Effectively removes dirt, oil, and makeup, making it great for oily skin types.

Good foam

Produces a rich, bubbly lather that many people associate with a satisfying clean.

Cons and cautions

Can be drying

May strip the skin's natural oils, leading to tightness, flakiness, or irritation over time.

Not for sensitive skin

Its strong cleansing action can disrupt the moisture barrier, especially in those with rosacea or eczema.

Best for

  • People with oily or combination skin who need deep cleansing
  • Those who prefer a foamy, soapy texture in their cleansers

Use caution if

  • Individuals with dry, sensitive, or eczema-prone skin
  • Anyone looking for a sulfate-free or gentle cleansing routine

Usage tips

Use only on wet skin and rinse thoroughly to minimize residue.
Follow with a moisturizer to replenish hydration after cleansing.
Limit use to once daily if you have normal or combination skin.

Safety summary

Generally considered safe for rinse-off use at typical concentrations, but can cause skin and eye irritation in sensitive individuals or at high levels. Prolonged or frequent use may compromise the skin barrier.

Research notes

Studies on similar alkylbenzene sulfonates show moderate skin irritation potential. Industry safety assessments (e.g., CIR) have deemed it safe when formulated to avoid irritation. More specific data on this exact compound is limited.

Common label clues

Typical concentration
1% to 15% in rinse-off products
Regulatory status
Approved for use in cosmetics in the US, EU, and many other regions within concentration limits. Not classified as a known carcinogen or endocrine disruptor by major regulatory bodies.
Common uses
Facial cleansers, Body washes, Shampoos, Hand soaps
Environmental note
As a petroleum-derived surfactant, it is not readily biodegradable in all aquatic environments. Some regions restrict its use in products that go directly into waterways.

Good to know

  • Often found in combination with milder surfactants to reduce irritation.
  • May be listed under different trade names on ingredient labels.

Common questions

What is Sodium Tridecylbenzenesulfonate in beauty products?

Sodium Tridecylbenzenesulfonate is a man-made detergent that helps water mix with oil and dirt so they can be rinsed away. It creates a rich lather and is commonly used in soaps and shampoos. Because it can strip natural oils, it may leave skin feeling tight or dry, especially if you have sensitive or dry skin.

What does Sodium Tridecylbenzenesulfonate do in a beauty product?

It reduces the surface tension of water, allowing oil and dirt to be emulsified and washed away. Its negatively charged head group binds to positively charged particles, lifting them from the skin or hair surface.

Is Sodium Tridecylbenzenesulfonate safe for most people?

Generally considered safe for rinse-off use at typical concentrations, but can cause skin and eye irritation in sensitive individuals or at high levels. Prolonged or frequent use may compromise the skin barrier.

Who should be careful with Sodium Tridecylbenzenesulfonate?

Individuals with dry, sensitive, or eczema-prone skin Anyone looking for a sulfate-free or gentle cleansing routine

Research sources

Cosmetic Ingredient Review (CIR) - Safety Assessment of Alkylbenzene SulfonatesOpenPubChem - Sodium TridecylbenzenesulfonateOpenEWG Skin Deep - Sodium TridecylbenzenesulfonateOpen

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.