Good Cosmetic Ingredient NOAEL Data

TBHQ

CAS Number
1948-33-0
Function
Antioxidant, Fragrance, Perfuming
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status Permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status Not specifically regulated

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

Toxicological Studies

10 study endpoints found for TBHQ. 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 125 mg/kg bw/day oral dog Chronic COSMOS_DB
NOAEL 250 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 250 mg/kg bw/day oral rat Carcinogenicity COSMOS_DB
NOAEL 250 mg/kg bw/day oral rat Multigeneration Reproductive COSMOS_DB
NOAEL 250 mg/kg bw/day oral rat Reproductive-developmental COSMOS_DB
NOAEL 250 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 277 mg/kg bw/day oral rat Reproductive COSMOS_DB
NOAEL 326 mg/kg bw/day oral rat Developmental COSMOS_DB
NOAEL 1000 mg/kg bw/day oral rat Chronic COSMOS_DB
NOAEL 600 mg/kg bw/day oral hamster Subchronic COSMOS_DB

Expert Verdict

TBHQ is listed in the EU CosIng database with functions: Antioxidant, Fragrance, Perfuming It is permitted in the EU without specific restrictions.

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Concern Level: Low

Regulatory Flags

cosing-sourced eu-permitted fragrance antioxidant needs-enrichment ifra_fragrance fda_food_additive

Frequently Asked Questions

Is TBHQ safe in cosmetics?

TBHQ is listed in the EU CosIng database with functions: Antioxidant, Fragrance, Perfuming It is permitted in the EU without specific restrictions. The EU classifies TBHQ as "Permitted". Safety rating: GOOD. 10 toxicological study endpoint(s) are available in our database.

Is TBHQ allowed in the EU?

TBHQ EU regulatory status: Permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does TBHQ do in cosmetics?

TBHQ functions as: Antioxidant, Fragrance, Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 1948-33-0.

What is the NOAEL for TBHQ?

The NOAEL (No Observed Adverse Effect Level) for TBHQ is 125 mg/kg bw/day based on a Chronic study via oral route in dog. A total of 10 study endpoints are available. Source: COSMOS_DB.

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