Good Cosmetic Ingredient NOAEL Data

Isomerized Safflower Acid

INCI: ISOMERIZED SAFFLOWER ACID

CAS Number
121250-47-3
Function
Skin Conditioning Agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” CIR Expert Panel concluded safe in present practices of use and concentration when formulated to be non-irritating and non-sensitizing (2019 Final Report)

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.

Toxicological Studies

4 study endpoints found for Isomerized Safflower Acid. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 15000 mg/kg bw/day oral rat Short Term Toxicity COSMOS_DB
NOAEL 12628 mg/kg bw/day oral mouse Reproductive COSMOS_DB
NOAEL 3636 mg/kg bw/day oral rat Special Toxicology Study COSMOS_DB
dose_tested 12628 mg/kg bw/day oral mouse Reproductive COSMOS_DB

Expert Verdict

Hepatocellular hypertrophy observed in rats at high concentrations in subchronic studies; polyunsaturated content requires antioxidant protection in finished formulations; genotoxicity negative.

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Concern Level: Moderate

Frequently Asked Questions

Is Isomerized Safflower Acid safe in cosmetics?

Hepatocellular hypertrophy observed in rats at high concentrations in subchronic studies; polyunsaturated content requires antioxidant protection in finished formulations; genotoxicity negative. The EU classifies Isomerized Safflower Acid as "permitted". Safety rating: GOOD. 4 toxicological study endpoint(s) are available in our database.

Is Isomerized Safflower Acid allowed in the EU?

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

What does Isomerized Safflower Acid do in cosmetics?

Isomerized Safflower Acid functions as: Skin Conditioning Agent. It is classified as a cosmetic ingredient in our database. CAS number: 121250-47-3.

What is the Margin of Safety for Isomerized Safflower 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.

What is the NOAEL for Isomerized Safflower Acid?

The NOAEL (No Observed Adverse Effect Level) for Isomerized Safflower Acid is 15000 mg/kg bw/day based on a Short Term Toxicity study via oral route in rat. A total of 4 study endpoints are available. Source: COSMOS_DB.

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