Ergothioneine

INCI: ERGOTHIONEINE

CAS Number
497-30-3
Function
Insufficient Data
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. 7.5%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not listed in FDA OTC Drug Monograph

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

Good safety profile. Generally considered safe for cosmetic use.

โš ๏ธ
Concern Level: Low

Frequently Asked Questions

Is Ergothioneine safe in cosmetics?

Good safety profile. Generally considered safe for cosmetic use. The EU classifies Ergothioneine as "permitted". Safety rating: GOOD.

Is Ergothioneine allowed in the EU?

Ergothioneine EU regulatory status: permitted. Maximum allowed concentration: 7.5%. This is based on EU Regulation 1223/2009 and its amendments.

What does Ergothioneine do in cosmetics?

Ergothioneine functions as: Insufficient Data. It is classified as a Active Ingredient in our database. CAS number: 497-30-3.

What is the Margin of Safety for Ergothioneine?

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.

๐Ÿ“ฑ

Is Ergothioneine in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Ergothioneine in your formulation.