Blue 1 (CI 42090)
Ingredient Info
Blue 1 (also called Brilliant Blue) is a synthetic colorant used to give skincare products a blue tint or hue. It serves no active skincare benefit and is purely for visual appeal and product identification.
Potential concerns
- May cause contact dermatitis or allergic reactions in sensitive individuals
- Not recommended for those with dye sensitivities or certain food/cosmetic allergies
Science: Blue 1 is approved by the FDA and EU for cosmetic use and has a long safety history as a food and cosmetic colorant. Limited peer-reviewed data specific to skincare applications, but regulatory bodies consider it safe at approved concentrations for topical use.
×