Good Cosmetic Ingredient SCCS/CIR Reviewed

Xylene Sulfonic Acid

INCI: XYLENE SULFONIC ACID

CAS Number
25321-41-9
Function
Surfactant (Cleansing), Surfactant (Hydrotrope)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; CIR assessed as "safe as used when formulated to be nonirritating"

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Safety Opinions

Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).

cir
Verdict: unknown
NOAEL: 3000 mg/kg bw/d (oral)
cir
Verdict: unknown
NOAEL: 440 mg/kg bw/d (dermal)

Expert Verdict

Must be formulated to be nonirritating (CIR qualification); potential irritant at high concentrations in leave-on products; typically used in rinse-off only

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Concern Level: Moderate

Frequently Asked Questions

Is Xylene Sulfonic Acid safe in cosmetics?

Must be formulated to be nonirritating (CIR qualification); potential irritant at high concentrations in leave-on products; typically used in rinse-off only The EU classifies Xylene Sulfonic Acid as "permitted". Safety rating: GOOD. This ingredient has been reviewed by cir.

Is Xylene Sulfonic Acid allowed in the EU?

Xylene Sulfonic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Xylene Sulfonic Acid do in cosmetics?

Xylene Sulfonic Acid functions as: Surfactant (Cleansing), Surfactant (Hydrotrope). It is classified as a cosmetic ingredient in our database. CAS number: 25321-41-9.

What is the Margin of Safety for Xylene Sulfonic Acid?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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