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Hair dye (HC nitrophenylamine)

HC YELLOW NO. 10

CAS 109023-83-8
38

Safety score · 0–100

Caution

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

HC Yellow No. 10 is a semi-permanent yellow hair dye in the nitrophenylamine family used in rinse-off colorants. It can irritate skin, eyes, and airways at undiluted levels and is restricted by EU rules.

Skin benefits

  • Provides a stable yellow shade in semi-permanent hair dyes
  • Useful for rinse-off color products

Known concerns

  • GHS H315 skin irritation, H319 serious eye irritation, H335 respiratory irritation
  • Hair-dye chemical class with known sensitisation risk
  • Used only in rinse-off hair products, not skincare
  • Requires strict EU concentration limits for safe use
  • Inhalation risk during application without controls

References

EU

EU CosIng database

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

Same plant / compound family

42
HC YELLOW NO. 11
Other
 30
HC YELLOW NO. 12
Other
 55
HC YELLOW NO. 13
Hair Dye
 50
HC YELLOW NO. 14
Direct hair dye
 50
HC YELLOW NO. 15
Hair Dye
 50
HC YELLOW NO. 16
Other

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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.