Moderate Cosmetic Ingredient NOAEL Data

HC Blue No. 15

INCI: HC BLUE NO. 15

CAS Number
74578-10-2
Function
Hair dyeing (oxidative hair dye, non-reacting component)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
EU Max Conc. 0.2%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes MoS

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.

Toxicological Studies

3 study endpoints found for HC Blue No. 15. 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 1 mg/kg bw/day oral rat Subchronic COSMOS_DB
LOAEL 4 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 4 mg/kg bw/day oral - - SCCS_Perplexity

Expert Verdict

HC Blue No. 15 is a hair colorant permitted in the US but prohibited in the EU.

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Concern Level: Moderate

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is HC Blue No. 15 safe in cosmetics?

HC Blue No. 15 is a hair colorant permitted in the US but prohibited in the EU. The EU classifies HC Blue No. 15 as "prohibited". Safety rating: MODERATE. 3 toxicological study endpoint(s) are available in our database.

Is HC Blue No. 15 allowed in the EU?

HC Blue No. 15 EU regulatory status: prohibited. Maximum allowed concentration: 0.2%. This is based on EU Regulation 1223/2009 and its amendments.

What does HC Blue No. 15 do in cosmetics?

HC Blue No. 15 functions as: Hair dyeing (oxidative hair dye, non-reacting component). It is classified as a cosmetic ingredient in our database. CAS number: 74578-10-2.

What is the Margin of Safety for HC Blue No. 15?

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 HC Blue No. 15?

The NOAEL (No Observed Adverse Effect Level) for HC Blue No. 15 is 1 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 3 study endpoints are available. Source: COSMOS_DB.

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