Skip to content

Hair Dye

HC RED NO. 8

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

Safety score · 0–100

Moderate

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

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
HYDROXYETHYL METHYLTOLYLAMINE
Hair Dye
 42
M-AMINOPHENOL
Hair Dye
 42
N,N'-BIS(2-HYDROXYETHYL)-2-NITRO-P-PHENYLENEDIAMINE
Hair Dye
 40
HC YELLOW NO. 6
Hair Dye
 45
4-AMINO-2-HYDROXYTOLUENE SULFATE
Hair Dye
 45
DIHYDROXYINDOLINE
Hair Dye
 38
HC BLUE NO. 15
Hair Dye

Same plant / compound family

60
HC RED NO. 1
Other
 55
HC RED NO. 10
Colorant
 44
HC RED NO. 11
Colorant
 35
HC RED NO. 13
Hair dye
 40
HC RED NO. 14
Other
 35
HC RED NO. 15
Hair dye colourant

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, so always read the physical product label and consult a healthcare professional for personal concerns.