children using hair dye

Some parents, in pursuit of fashion or stage performance effects, dye or perm their children’s hair to enhance their appearance. However, for children, using hair dye and perm cosmetics carries certain safety risks. The main reasons for this are as follows: 1. Hair dye and perm cosmetics are special cosmetics with relatively high safety risks China classifies hair dye and perm cosmetics as special cosmetics. The National Medical Products Administration must register these products before manufacturers can produce or import them. Most hair dye cosmetics in the market rely on oxidative polymerization reactions. Strong oxidizing agents trigger these reactions between dye precursors and couplers. This process produces large pigment molecules.These […]