
2-AMINO-3-HYDROXYPYRIDINE
Description
2-Amino-3-hydroxypyridine is a synthetic organic compound widely used in the haircare industry, particularly in hair dye formulations. This aromatic heterocyclic compound serves as a crucial coupling agent in oxidative hair coloring processes. Its molecular structure allows it to react with oxidizing agents and other dye precursors to produce vibrant, long-lasting hair color.
The compound's primary function is to facilitate the development of red and violet hair color shades. It acts as an intermediate in the formation of larger, more complex dye molecules within the hair shaft. 2-Amino-3-hydroxypyridine is often combined with other dye precursors like p-phenylenediamine or p-aminophenol to achieve a wide range of color outcomes.
In hair dye formulations, this ingredient is typically used in concentrations ranging from 0.1% to 2.0%, depending on the desired color intensity and shade. While effective in color production, it's important to note that some individuals may experience skin sensitization or allergic reactions to this compound. As with all hair dye ingredients, patch testing is recommended before full application to minimize the risk of adverse reactions.