N,N-DIMETHYL-P-PHENYLENEDIAMINE SULFATE

Other

2

Avoid

CAS Number: 6219-73-4

About N,N-DIMETHYL-P-PHENYLENEDIAMINE SULFATE

A hair-dye intermediate with severe hazard flags and an EU Annex II ban, so this is firmly in the avoid category.

Detailed Analysis

N,N-Dimethyl-p-Phenylenediamine Sulfate is an aromatic amine hair-dye substance associated with acute toxicity, skin sensitization, and respiratory irritation. It is also listed under EU Cosmetics Regulation Annex II, which means it is prohibited in cosmetic products in the EU.

What It Does

HAIR DYEING

Known Concerns

  • ⚠ EU Annex II prohibited ingredient
  • ⚠ Can trigger allergic skin reactions
  • ⚠ Acute oral, dermal, and inhalation toxicity concerns
  • ⚠ Can irritate skin or eyes, especially in stronger formulas

Safety Score

2

Avoid

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

🏛

EU CosIng Database

European Commission cosmetic ingredient registry

Check your products for N,N-DIMETHYL-P-PHENYLENEDIAMINE SULFATE

Scan any cosmetic product to see if it contains this ingredient and get a full safety breakdown.

Download LuxSense

This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.