Propylene Glycol Hydroxystearate

INCI: PROPYLENE GLYCOL HYDROXYSTEARATE

CAS Number
33907-47-0 / 38621-51-1
Function
Skin-conditioning (emollient); Surfactant (emulsifying); Opacifying; Pearlescent; Dispersant
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use; no specific CIR monograph as standalone; covered under PG ester class safety data

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.

Expert Verdict

Dual CAS numbers (positional isomers); commonly castor oil-derived โ€“ verify source specification and heavy metal content per cGMP

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Concern Level: Low

Frequently Asked Questions

Is Propylene Glycol Hydroxystearate safe in cosmetics?

Dual CAS numbers (positional isomers); commonly castor oil-derived โ€“ verify source specification and heavy metal content per cGMP The EU classifies Propylene Glycol Hydroxystearate as "permitted". Safety rating: GOOD.

Is Propylene Glycol Hydroxystearate allowed in the EU?

Propylene Glycol Hydroxystearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Propylene Glycol Hydroxystearate do in cosmetics?

Propylene Glycol Hydroxystearate functions as: Skin-conditioning (emollient); Surfactant (emulsifying); Opacifying; Pearlescent; Dispersant. It is classified as a cosmetic ingredient in our database. CAS number: 33907-47-0 / 38621-51-1.

What is the Margin of Safety for Propylene Glycol Hydroxystearate?

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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