2-Nitro-P-Phenylenediamine Dihydrochloride
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About 2-Nitro-P-Phenylenediamine Dihydrochloride
2-Nitro-P-Phenylenediamine Dihydrochloride is a hair-coloring pigment.[1] Its solubility and charge state vary depending on the salt-forming components and the formula’s acidity, and this also affects how it interacts with other raw materials. In cosmetics, it is used to color hair.[3] It is included on a separate European prohibited list as an ingredient that cannot be used in hair dyes.[2]
2-Nitro-P-Phenylenediamine Dihydrochloride Details
- Ingredient function
- Hair Dyeing
- INCI name
- 2-NITRO-P-PHENYLENEDIAMINE DIHYDROCHLORIDE
- CosIng ID
- 31507
2-Nitro-P-Phenylenediamine Dihydrochloride References
- 식품의약품안전처 · 화장품 원료성분 정보 · 2026년 조회본
- European Union · Annex II entry 1319
- European Commission — CosIng · substanceId 31507
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This ingredient information is based on publicly available scientific literature, cosmetic ingredient databases, and regulatory sources from various countries. Usage restrictions, permitted concentrations, and labeling requirements may vary by country, region, and product type.
Ingredient preference is a reference metric based on user review data. It does not indicate the efficacy or safety of the ingredient itself.
