Skip to content

Colorant

ACID RED 35

CAS 6441-93-6 Updated
6

Safety score · 0–100

Avoid

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A red azo hair dye prohibited in EU cosmetics under Annex II. Its safety profile did not meet SCCS requirements due to concerns about aromatic amine release. Should not appear in EU products.

Function

HAIR DYEING

Skin benefits

  • Historical use as red hair dye

Known concerns

  • Banned in EU cosmetics — Annex II prohibition
  • Azo dye with potential to release CMR aromatic amines
  • SCCS safety review concluded use was not safe

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related colorants

6
ACID BLACK 131
Colorant
 5
1-Hydroxy-2-beta-hydroxyethylamino-4,6-dinitrobenzene
Colorant
 5
2-Methyl-m-phenylenediamine (Toluene-2,6-diamine)
Colorant
 5
2-NITRO-N-HYDROXYETHYL-P-ANISIDINE
Colorant
 5
3-Amino-2,4-dichlorophenol and its hydrochloride
Colorant
 5
DISPERSE BLUE 1
Colorant
 5
HC Green No 1
Colorant
 5
M-PHENYLENEDIAMINE
Colorant

Check your shelf

Find ACID RED 35 in your products.

Scan any cosmetic product with LuxSense to see if it contains ACID RED 35 and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.