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HC ORANGE NO. 1

Description

HC Orange No. 1, also known as 2-Nitro-p-phenylenediamine, is a synthetic dye widely used in semi-permanent hair coloring products. This orange-red compound belongs to the family of nitro dyes and is particularly effective in imparting vibrant orange to reddish-brown hues to hair. HC Orange No. 1 is valued for its ability to penetrate the hair shaft, providing longer-lasting color compared to temporary dyes.

The molecule's small size allows it to diffuse into the hair cortex, where it interacts with the hair's proteins to create a more durable color. It is often combined with other dyes to achieve a broader spectrum of shades. HC Orange No. 1 is approved for use in hair dyes by regulatory bodies in many countries, including the European Union, with specific concentration limits.

While effective for coloring, it's important to note that some individuals may experience allergic reactions to this compound. Patch testing is recommended before use. HC Orange No. 1 is not intended for use on eyelashes or eyebrows and should be used only as directed in approved hair coloring formulations.