HC Yellow No. 17

INCI: HC YELLOW NO. 17

CAS Number
Not confirmed from retrieved sources — verify via CosIng
Function
Semi-permanent (direct) hair dye
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Likely permitted under coal-tar hair dye exemption — verify with FDA

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Critical data gap — this ingredient cannot be included in a CPSR without either an SCCS opinion or a complete supplier-commissioned tox dossier

⚠️
Concern Level: High

Frequently Asked Questions

Is HC Yellow No. 17 safe in cosmetics?

Critical data gap — this ingredient cannot be included in a CPSR without either an SCCS opinion or a complete supplier-commissioned tox dossier The EU classifies HC Yellow No. 17 as "prohibited". Safety rating: POOR.

Is HC Yellow No. 17 allowed in the EU?

HC Yellow No. 17 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does HC Yellow No. 17 do in cosmetics?

HC Yellow No. 17 functions as: Semi-permanent (direct) hair dye. It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed from retrieved sources — verify via CosIng.

What is the Margin of Safety for HC Yellow No. 17?

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.

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