Methoxycinnamidopropyl Hydroxysultaine

INCI: METHOXYCINNAMIDOPROPYL HYDROXYSULTAINE

CAS Number
Not publicly confirmed (proprietary; Ashland/ISP origin)
Function
Water-soluble UV-B absorber (λmax ~306 nm); hair conditioning agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; not an OTC sunscreen monograph active

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Non-mutagenic (Ames test), non-phototoxic, non-irritant per manufacturer data with excellent stability and no reactive or labile functional groups; however, safety assessment based on manufacturer-supplied data only with no independent CIR or SCCS review published.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Methoxycinnamidopropyl Hydroxysultaine safe in cosmetics?

Non-mutagenic (Ames test), non-phototoxic, non-irritant per manufacturer data with excellent stability and no reactive or labile functional groups; however, safety assessment based on manufacturer-supplied data only with no independent CIR or SCCS review published. The EU classifies Methoxycinnamidopropyl Hydroxysultaine as "permitted". Safety rating: GOOD.

Is Methoxycinnamidopropyl Hydroxysultaine allowed in the EU?

Methoxycinnamidopropyl Hydroxysultaine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Methoxycinnamidopropyl Hydroxysultaine do in cosmetics?

Methoxycinnamidopropyl Hydroxysultaine functions as: Water-soluble UV-B absorber (λmax ~306 nm); hair conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly confirmed (proprietary; Ashland/ISP origin).

What is the Margin of Safety for Methoxycinnamidopropyl Hydroxysultaine?

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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