Basic Green 1

INCI: BASIC GREEN 1

CAS Number
633-03-4
Function
Hair colorant (triarylmethane dye); historically used as antiseptic
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status prohibited
US Notes Not an FDA-approved color additive for cosmetics. Not listed in 21 CFR Parts 73, 74, or 82.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Basic Green 1 is prohibited in the EU and not approved as a color additive in the US, with poor safety profile and no established margin of safety.

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Concern Level: High

Regulatory Flags

colorant eu_banned_cosmetics eu_cosing_listed

Frequently Asked Questions

Is Basic Green 1 safe in cosmetics?

Basic Green 1 is prohibited in the EU and not approved as a color additive in the US, with poor safety profile and no established margin of safety. The EU classifies Basic Green 1 as "prohibited". Safety rating: POOR.

Is Basic Green 1 allowed in the EU?

Basic Green 1 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Basic Green 1 do in cosmetics?

Basic Green 1 functions as: Hair colorant (triarylmethane dye); historically used as antiseptic. It is classified as a cosmetic ingredient in our database. CAS number: 633-03-4.

What is the Margin of Safety for Basic Green 1?

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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