Acid Red 33 (Uncertified D&C Red No. 33)

1. Definition Acid Red 33 (Uncertified D&C Red No. 33):

Acid Red 33, also known as Uncertified D&C Red No. 33, is a synthetic dye commonly used in cosmetics to impart a red or pink color to various products.

2. Use:

Acid Red 33 is primarily used as a colorant in cosmetics such as lipsticks, blushes, eyeshadows, and nail polishes. It is also found in hair dyes, lotions, and other personal care products to give them a vibrant red hue.

3. Usage Acid Red 33 (Uncertified D&C Red No. 33):

When using products containing Acid Red 33, it is important to be aware of potential allergic reactions or skin sensitivities. Some individuals may experience irritation or allergic reactions when exposed to this dye, so it is recommended to perform a patch test before using a product with Acid Red 33 on a larger area of the skin. Additionally, it is advised to follow the recommended usage instructions provided by the manufacturer to minimize the risk of adverse effects.

4. References:

- "Safety Assessment of D&C Red No. 33 (Acid Red 33)." Cosmetic Ingredient Review, 2019.

- "D&C Red No. 33." U.S. Food and Drug Administration, 2020.

- "Acid Red 33." Personal Care Products Council, 2021.