Back to Ingredient Dictionary

Yellow 5

Description

Yellow 5, also known as tartrazine or FD&C Yellow No. 5, is a synthetic lemon-yellow azo dye widely used in cosmetics and personal care products. This water-soluble colorant is prized for its stability and ability to create vibrant yellow hues in various formulations. While primarily utilized for its coloring properties, Yellow 5 also serves as a pH indicator in certain applications.

In skincare, Yellow 5 is commonly found in products such as soaps, lotions, and sunscreens. Its inclusion helps create visually appealing formulations and can aid in product differentiation. The ingredient is approved by the FDA for use in cosmetics and is considered safe when used as directed.

However, Yellow 5 has been associated with rare cases of skin irritation and allergic reactions in sensitive individuals. Some studies suggest a potential link between tartrazine and exacerbation of symptoms in people with aspirin sensitivity or asthma. As a result, products containing Yellow 5 may require appropriate labeling in certain regions.

Formulators should consider alternatives for consumers seeking natural or dye-free options, as Yellow 5 is not derived from natural sources.