beauty
industrial

CI 73360

CAS 2379-74-0 · 100/100 · High conf.

Concern score

100/100Critical concern based on regulatory listings.

High confidence

CI 73360 in plain language

What it is: Also known as Red 30; red 30 lake
What it does: Used in cosmetics as a colourant. CI 73360 is classed chemically as a thioindigoid colour.
Colorant
Colourant
Is it a concern?: Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

6-Chloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methylbenzo[b]thiophene-3(2H)-one (VAT Red 1; CI 73360) when used as a substance in hair dye products is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

EU Annex II — prohibited
EU Annex IV — permitted colorant
EU permitted colorant
EU prohibited in cosmetics

Recorded in these product areas

Found in consumer products
Industrial

EUEC
Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
banned
View source →

EUCosIngActive3 entries
- Cosmetics Regulation annex IV / ref 100.Source →
- Cosmetics Regulation annex II / ref 1365.Source →
- CI 73360 is classed chemically as a thioindigoid colour. It conforms to the formula: Restriction: IV/100Source →
EUECallowed_listedAnnex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.
- Annex IV of EU Cosmetics Regulation (EC) 1223/2009: colorants allowed in cosmetic products.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Dye.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Dye.Source →

Expert safety opinions

No expert opinion on file for CI 73360. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for CI 73360 yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EU CosIng Cosmetics Regulation Annexes
regulatory · updated 2013-05-08
Open →
EPA Chemical and Products Database
exposure · updated 2020-02-13
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed CI 73360 in a product composition. These are source records, not Greenveil catalog products.

Named organisations

Typical roles

ColorantColourant

See products using CI 73360 →

Catalog

Found in these products

Their ingredient lists include CI 73360; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 151 →Find products without it →