Good Cosmetic Ingredient NOAEL Data

Glyceryl Hydroxystearate

INCI: GLYCERYL HYDROXYSTEARATE

CAS Number
1323-42-8
Function
Skin Conditioning — Emollient; Surfactant — Emulsifying Agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Listed as indirect food additive in 21 CFR 175.105, 176.170, 176.200, 177.1200, 177.2800; no cosmetic restrictions

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.

Toxicological Studies

8 study endpoints found for Glyceryl Hydroxystearate. 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 5725 mg/kg bw/day oral rat oral REACH
LOAEL 10 other oral rat oral REACH
NOAEL 5725 mg/kg bw/day oral rat oral REACH
LOAEL 10 other oral rat oral REACH
LOAEL 10 other oral rat oral REACH
NOAEL >5000 mg/kg bw/day oral - oral REACH
LOAEL 10 other oral rat oral REACH
NOAEL >5000 mg/kg bw/day oral - oral REACH

Expert Verdict

CIR-assessed safe at class level; no EU or US restrictions; safety relies on read-across from glyceryl monoester group

⚠️
Concern Level: Low

Regulatory Flags

emollient co-emulsifier cir-assessed no-sccs-opinion read-across-safety hlb-3-4

Frequently Asked Questions

Is Glyceryl Hydroxystearate safe in cosmetics?

CIR-assessed safe at class level; no EU or US restrictions; safety relies on read-across from glyceryl monoester group The EU classifies Glyceryl Hydroxystearate as "permitted". Safety rating: GOOD. 8 toxicological study endpoint(s) are available in our database.

Is Glyceryl Hydroxystearate allowed in the EU?

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

What does Glyceryl Hydroxystearate do in cosmetics?

Glyceryl Hydroxystearate functions as: Skin Conditioning — Emollient; Surfactant — Emulsifying Agent. It is classified as a cosmetic ingredient in our database. CAS number: 1323-42-8.

What is the Margin of Safety for Glyceryl Hydroxystearate?

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.

What is the NOAEL for Glyceryl Hydroxystearate?

The NOAEL (No Observed Adverse Effect Level) for Glyceryl Hydroxystearate is 5725 mg/kg bw/day based on a oral study via oral route in rat. A total of 8 study endpoints are available. Source: REACH.

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