1-Naphthol
1-Naphthol is a cosmetic ingredient used as a hair dyeing agent. It is used in 7 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).
| INCI name | 1-NAPHTHOL |
| Function | HAIR DYEING |
| CAS number | 90-15-3 |
| EC number | 201-969-4 |
| Prevalence | 7 products (0.01% of dataset) |
| Most used in | Fragrance |
| EU status | Restricted (annex ) |
| Monthly searches | 720 |
Used in
Fragrances 42.9%Facial Treatments 28.6%Other Styling 28.6%
Frequently asked
- What does 1-Naphthol do in skincare?
- 1-Naphthol functions as a hair dyeing agent in cosmetic formulas.
- Is 1-Naphthol allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain 1-Naphthol?
- It is most commonly found in Fragrance products, especially fragrances (42.9% of its uses).
Manufacturers with experience using 1-Naphthol
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.