1 Naphthol

1. Definition 1 Naphthol:

1 Naphthol, also known as alpha-naphthol or 1-hydroxynaphthalene, is a white crystalline solid that is commonly used in the production of dyes, pigments, and pharmaceuticals. It is also found in some cosmetic products due to its antioxidant properties.

2. Use:

1 Naphthol is used in cosmetics for its ability to inhibit the oxidation of oils and fats, which helps extend the shelf life of products. It is often added to skincare products, such as creams and lotions, to prevent them from spoiling and to maintain their effectiveness.

3. Usage 1 Naphthol:

When using cosmetics containing 1 Naphthol, it is important to follow the manufacturer's instructions and guidelines. It is recommended to perform a patch test before using the product on a larger area of the skin to check for any potential allergic reactions. Additionally, it is advisable to avoid using products with 1 Naphthol on broken or irritated skin to prevent further irritation.

4. References:

- "Safety Assessment of 1-Naphthol as Used in Cosmetics" by the Cosmetic Ingredient Review Expert Panel

- "1-Naphthol" by the National Center for Biotechnology Information

- "Evaluation of the skin sensitization potential of 1-naphthol using the local lymph node assay" by the Journal of Applied Toxicology