Acid Yellow 23 (Uncertified Fd&C Yellow No. 5)

1. Definition Acid Yellow 23 (Uncertified Fd&C Yellow No. 5):

Acid Yellow 23, also known as Uncertified Fd&C Yellow No. 5, is a synthetic dye commonly used in the cosmetic industry to impart a yellow color to various products.

2. Use:

Acid Yellow 23 is primarily used as a colorant in cosmetics such as lipsticks, eyeshadows, blushes, and nail polishes. It is also found in hair dyes, soaps, and other personal care products to enhance their visual appeal.

3. Usage Acid Yellow 23 (Uncertified Fd&C Yellow No. 5):

When using products containing Acid Yellow 23, it is important to be aware of potential allergic reactions, especially in individuals with sensitivities to synthetic dyes. It is advised to perform a patch test before using a product with this ingredient to check for any adverse reactions. Additionally, some studies have suggested a possible link between artificial food colors, including Acid Yellow 23, and hyperactivity in children, although more research is needed to confirm this association.

4. References:

- Food and Drug Administration (FDA). (2019). Color Additives: List of Color Additives Exempt from Certification. Retrieved from https://www.fda.gov/industry/color-additives/color-additives-list-color-additives-exempt-certification

- Cosmetic Ingredient Review (CIR). (2003). Final Report on the Safety Assessment of Acid Yellow 23. International Journal of Toxicology, 22(Suppl 2), 1-7.

- European Commission. (2009). Opinion on Acid Yellow 23. Scientific Committee on Consumer Safety (SCCS). Retrieved from https://ec.europa.eu/health/scientific_committees/consumer_safety/docs/sccs_o_031.pdf