FD&C Yellow No. 5 Aluminum Lake
FD&C Yellow No. 5 Aluminum Lake is a synthetic colorant used to impart a yellow hue to cosmetic products. It is a pigment formed by precipitating FD&C Yellow No. 5 onto an aluminum hydroxide substrate. This process makes the color insoluble in water, which is useful for certain product formulations.
ColorantVegan
RiskModerate 1.5 / 4
Sensitization i1.5 / 4
Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.
Irritation i1 / 4
Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
- May cause allergic reactions in sensitive individuals
- Potential for skin irritation
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Frequently asked questions
- What is the difference between FD&C Yellow No. 5 and FD&C Yellow No. 5 Aluminum Lake?
- FD&C Yellow No. 5 is a water-soluble dye, while FD&C Yellow No. 5 Aluminum Lake is an insoluble pigment. The lake form is created by precipitating the dye onto an aluminum substrate, making it suitable for products where water solubility is not desired.
- Is FD&C Yellow No. 5 Aluminum Lake safe for use in cosmetics?
- This colorant is approved for use in cosmetics by regulatory bodies like the FDA, with specific restrictions on its application. Some individuals may experience allergic reactions or skin irritation, particularly those sensitive to tartrazine.
