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CI 42045 is a synthetic colorant used in cosmetics to impart a blue or greenish-blue hue to products. It helps create visually appealing formulations for various skincare and makeup items.
May aggravate
Safety summary
This colorant is generally considered safe for use in cosmetics. As with any dye, rare instances of skin irritation or allergic reactions may occur in highly sensitive individuals.
CAS Number
129-17-9
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.