1-Naphthol

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About 1-Naphthol

1-Naphthol is a bicyclic phenol.[1] The physical properties and sensory feel of 1-Naphthol in a finished product may vary depending on the concentration used, the other ingredients used with it, the formula's acidity, and manufacturing conditions. In cosmetics, it is used to color hair.[3] In Europe, it may be used as a coloring ingredient in oxidative hair dyes, at a maximum concentration of 2.0% when the product is mixed immediately before use and applied to the hair.[2]

1-Naphthol Details

Ingredient function
Hair Dyeing
Main product categories
Perfume, Roll-On Perfume, Hair Coloring
INCI name
1-NAPHTHOL
CosIng ID
31470

1-Naphthol References

Last updated

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.