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PIGMENT RED 4

Description

Pigment Red 4, also known as D&C Red No. 4 or CI 14700, is a synthetic colorant used in various cosmetic and personal care products. This water-soluble dye belongs to the monoazo class of pigments and is characterized by its vibrant red hue. Primarily utilized in haircare formulations, Pigment Red 4 imparts a rich, long-lasting color to hair dyes, temporary hair colors, and other hair-tinting products.

The pigment's molecular structure allows for excellent color stability and resistance to fading, making it a preferred choice for hair coloring applications. It exhibits good dispersion properties in aqueous solutions and demonstrates compatibility with a wide range of haircare ingredients. Pigment Red 4 is approved by the FDA for use in externally applied cosmetics and hair dyes, with specific concentration limits.

While generally considered safe for use in hair products, some individuals may experience allergic reactions or skin irritation. It is essential for formulators to adhere to regulatory guidelines and conduct thorough safety assessments when incorporating Pigment Red 4 into haircare formulations. The pigment's performance characteristics, coupled with its regulatory approval, make it a valuable ingredient for achieving vibrant, long-lasting red tones in hair coloring products.