"Hair dyeing has a huge market," says Kandus, an importer of German hair care products. One reason is that hair dyeing's consumption cycle is shorter than that of haircuts and permanents. Every one to two months, the hair grows out enough that a touch-up is necessary. If it's not done, one is left with two-toned hair.
「染髮是個很大的市場」，進口德國美髮用品的肯達是機會公司指出，染髮的消費周期比剪燙髮短，大約每隔一、二個月，頭髮長了就得補染，否則頭頂上會出現兩截不同的髮色，不如剪髮、燙髮維持的時間久。