Sodium Methyl Laurate Sulfonate

INCI: SODIUM METHYL LAURATE SULFONATE

CAS Number
4016-21-1
Function
Cleansing, Surfactant – Cleansing
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; part of the alpha-sulfo methyl ester class

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Synthetic/plant origin; works well in hard water at pH 4–9; ensure electrolyte compatibility in complex formulations

⚠️
Concern Level: Low

Regulatory Flags

natural-origin

Frequently Asked Questions

Is Sodium Methyl Laurate Sulfonate safe in cosmetics?

Synthetic/plant origin; works well in hard water at pH 4–9; ensure electrolyte compatibility in complex formulations The EU classifies Sodium Methyl Laurate Sulfonate as "permitted". Safety rating: GOOD.

Is Sodium Methyl Laurate Sulfonate allowed in the EU?

Sodium Methyl Laurate Sulfonate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Methyl Laurate Sulfonate do in cosmetics?

Sodium Methyl Laurate Sulfonate functions as: Cleansing, Surfactant – Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 4016-21-1.

What is the Margin of Safety for Sodium Methyl Laurate Sulfonate?

not established 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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