Ferrocyanide

1. Definition Ferrocyanide:

Ferrocyanide is a chemical compound that is commonly used in cosmetics as a colorant. It is a type of pigment that is often used to create blue shades in makeup products.

2. Use:

Ferrocyanide is primarily used in cosmetics as a colorant to add blue hues to various products such as eyeshadows, nail polishes, and lipsticks. It is known for its vibrant and long-lasting color, making it a popular choice for creating bold and eye-catching makeup looks.

3. Usage Ferrocyanide:

When using cosmetics containing ferrocyanide, it is important to follow the instructions provided by the manufacturer. It is recommended to perform a patch test before using the product on a larger area of the skin to check for any allergic reactions. Additionally, it is advisable to avoid using products containing ferrocyanide on broken or irritated skin to prevent any potential irritation or adverse reactions.

4. References:

- "The Cosmetic Ingredient Review (CIR) Expert Panel: Safety Assessment of Ferrocyanide Salts as Used in Cosmetics." Journal of the American College of Toxicology, vol. 16, no. 1, 1997, pp. 1-13.

- "Safety Assessment of Ferrocyanide Salts as Used in Cosmetics." Cosmetic Ingredient Review, 1996.

- "Toxicological Profile for Cyanide." Agency for Toxic Substances and Disease Registry, U.S. Department of Health and Human Services, 2006.