Skip to content

Hair Dye

HC RED NO. 8

CAS 13556-29-1 / 97404-14-3 / 41959-35-7 Updated
42

Safety score · 0–100

Moderate

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

About

A semi-permanent nitro-aromatic red hair dye. EU SCCS-reviewed and capped at low percentages; lower sensitization than PPD class but still a regulated hair dye.

Function

HAIR DYEING

Skin benefits

  • Semi-permanent red hair dye
  • Direct dye — no oxidative chemistry needed
  • Lower sensitization potential vs. PPD-class dyes

Known concerns

  • Nitro-aromatic hair dye — EU caps use level (≤2.5% in oxidative; ≤2% in non-oxidative per SCCS)
  • Possible mild irritation
  • Color staining of skin/scalp
  • Sensitization risk in repeated use

References

EU

EU CosIng database

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

Related hair dyes

42
BASIC RED 51
Hair Dye
 42
DIHYDROXYINDOLE
Hair Dye
 42
HYDROXYETHYL METHYLTOLYLAMINE
Hair Dye
 42
M-AMINOPHENOL
Hair Dye
 42
N,N'-BIS(2-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE
Hair Dye
 45
4-AMINO-2-HYDROXYTOLUENE SULFATE
Hair Dye
 45
DIHYDROXYINDOLINE
Hair Dye
 38
HC BLUE NO. 15
Hair Dye

Check your shelf

Find HC RED NO. 8 in your products.

Scan any cosmetic product with LuxSense to see if it contains HC RED NO. 8 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.