1-Naphthol

1% line markerAI-analyzed

INCI: 1 NAPHTHOL

What it does

A chemical compound, a derivative of naphthalene. It is not commonly used as a direct cosmetic ingredient but may appear as an intermediate or impurity in some formulations.

Skin Concerns

No specific concern data available

Safety & Science

Safety summary

Generally considered an irritant and sensitizer; not typically used as a direct ingredient in cosmetics.

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

Found In Products

Related Ingredients

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.