CI Disperse Blue 1 CAS Number: 2475-45-8

Description: C.I. Disperse Blue 1, also known as Disperse Blue 1, is a synthetic colorant used in cosmetics and textiles. In cosmetics, it is primarily employed as a colorant to impart various shades of blue to a wide range of products, including cosmetics, hair dyes, nail polishes, and skincare items. This pigment is utilized to enhance the visual appeal and aesthetics of cosmetic formulations, allowing for creative and diverse color choices.

Other Names: C.I. Disperse Blue 1 is also known by its common name Disperse Blue 1 and may be referred to as such on ingredient lists.

Uses in Cosmetics: C.I. Disperse Blue 1 is utilized in cosmetics primarily as a colorant. It imparts vibrant blue hues to various cosmetic products, enhancing their visual appeal and providing consumers with a diverse range of color options for makeup, nail products, and hair dyes.

Skin Sensitivities and Allergies: C.I. Disperse Blue 1 has the potential to cause skin sensitivities and allergic reactions, particularly in individuals with sensitive skin. Allergic reactions can manifest as skin irritation, redness, itching, or rash. It's essential to perform a patch test before using products containing this ingredient, especially if you have a history of skin allergies or sensitivities.

Other Associated Risks: Apart from potential skin sensitivities and allergies, there may be concerns regarding the safety of synthetic colorants like C.I. Disperse Blue 1. Some colorants may contain impurities or byproducts that could pose health risks. Therefore, it's crucial for cosmetic manufacturers to ensure the purity and safety of the colorants they use in their products.

California Ban: California has taken legislative action to ban the use of C.I. Disperse Blue 1 (CAS no. 2475-45-8) in cosmetics through Assembly Bill 496 (AB496). This ban is part of California's ongoing efforts to enhance cosmetic safety. Commencing January 1, 2027, no person or entity shall manufacture, sell, deliver, hold, or offer for sale in commerce any cosmetic product that contains C.I. Disperse Blue 1 as an intentionally added ingredient.
This legislative move aligns California with stricter ingredient safety regulations, reflecting the state's commitment to protecting consumers, especially those with sensitive skin, from potential risks associated with certain cosmetic ingredients. Cosmetic companies should be aware of this ban and take appropriate steps to reformulate their products or find safer alternatives to comply with California's regulations.

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