CAS no. 2475-46-9

Definition: Disperse Blue 3 is a synthetic dye belonging to the disperse dye family, which is used for coloring purposes. Disperse dyes are generally used for dyeing synthetic fibers like polyester, but in the context of cosmetics, they can be used to impart color to the products.

Usage in Cosmetics: In the cosmetic industry, Disperse Blue 3 can be used to color a variety of products such as hair dyes, makeup, and nail polish. The bright blue hue of Disperse Blue 3 makes it an attractive choice for creating visually appealing products.

Synonyms: Disperse Blue 3 may also be known under different names in various regions or formulations, though there isn't a well-known list of synonyms available. It is primarily identified through its CAS number 2475-46-9.

Skin Sensitivities and Allergies: Disperse Blue 3, like some other synthetic dyes, can cause skin sensitivities or allergic reactions in some individuals. The reactions could range from mild skin irritation to more severe allergic reactions depending on the individual's sensitivity. Those with sensitive skin or known dye allergies should exercise caution when using products containing Disperse Blue 3.

Risks and Banning: The recent legislation in California, Assembly Bill No. 496, has listed Disperse Blue 3 among the banned ingredients in cosmetics, effective January 1, 2027. The ban encompasses the manufacture, sale, delivery, holding, or offering for sale of cosmetic products containing specified ingredients, including Disperse Blue 3, as part of an initiative to enhance cosmetic safety. The rationale behind such banning could be linked to the potential skin sensitivities, allergic reactions, and possibly other health risks associated with the use of synthetic dyes in cosmetics.

California Ban (Assembly Bill No. 496, CHAPTER 441): This legislation expands the prohibition of certain intentionally added ingredients in cosmetic products, with Disperse Blue 3 being one of the newly added banned substances. The ban commences on January 1, 2027, to allow entities involved in the manufacturing and selling of cosmetics to comply with the new regulation. This move reflects a growing concern over the safety and impact of certain synthetic substances in cosmetic products, especially for consumers with sensitive skin or other health concerns

How safe is it?

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