2D structural formula of 1-Naphthol

1-NAPHTHOL

What is it?

“1-Naphthol, or α-naphthol, is a fluorescent organic compound with the formula C10H7OH. It is a white solid. It is an isomer of 2-naphthol differing by the location of the hydroxyl group on the naphthalene ring.” Wikipedia

What are the effects?

This substance belongs to the groups:

1-Naphthol is restricted for use in cosmetics in the European Union and Canada.

The European Chemicals Agency (ECHA) have registered that 1-Naphthol is “harmful if swallowed, is harmful in contact with skin, causes serious eye damage, causes skin irritation and may cause respiratory irritation.”

How is it used?

In cosmetics*, 1-Naphthol is used as a hair dye substance in oxidative hair color and bleaching products. The chemical can also be found in various pharmaceuticals and other dyes.

We use the European Commissions definition of Cosmetics:
“Cosmetics range from everyday hygiene products such as soap, shampoo, deodorant, and toothpaste to luxury beauty items including perfumes and makeup”.

Read about the other ingredients.

SUBSTANCES

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