Ricinoleic Acid

INCI: RICINOLEIC ACID

CAS Number
141-22-0 / 7431-95-0
Function
Cleansing, Skin Conditioning (Emollient), Surfactant – Cleansing, Surfactant – Emulsifying
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted; assessed safe by CIR as part of the Ricinus Communis (Castor) ingredient family

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

May cause mild irritation at very high concentrations in leave-on products due to surfactant properties; must not be confused with ricin (the toxic protein from castor seeds, which is absent in refined materials)

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Concern Level: Moderate

Frequently Asked Questions

Is Ricinoleic Acid safe in cosmetics?

May cause mild irritation at very high concentrations in leave-on products due to surfactant properties; must not be confused with ricin (the toxic protein from castor seeds, which is absent in refined materials) The EU classifies Ricinoleic Acid as "permitted". Safety rating: GOOD.

Is Ricinoleic Acid allowed in the EU?

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

What does Ricinoleic Acid do in cosmetics?

Ricinoleic Acid functions as: Cleansing, Skin Conditioning (Emollient), Surfactant – Cleansing, Surfactant – Emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 141-22-0 / 7431-95-0.

What is the Margin of Safety for Ricinoleic 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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