求翻译：　　半永久性染发剂一般是指能耐6-12次香波洗涤才退色，半永久性染发剂涂于头发上，停留20-30分钟后，用水冲洗，即可使头发上色。其作用原理是相对分子量较小的染料分子渗透进入头发表皮，部分进入皮质，使得它比暂时性染发剂更耐香波的清洗。由于不需使用双氧水不会损伤头发，所以近年来较为流行。是什么意思？

Semi-permanent hair dyes generally refers to the ability of 6-12 times a shampoo wash fade semi-permanent hair dyes applied to the hair, stay 20-30 minutes, rinse with water, you can make the hair color. Its mechanism is relatively small molecular weight dye molecules to penetrate into the hair epid

semi-permanent hair dye is a term commonly used to refer to withstand 6 - 12 times before they faded wash shampoo, semi-permanent hair dye, hair coat in 20 - 30 minutes, rinse with water, you can make your hair color. It works as a small relative molecular weight of the dye molecules to permeate and

The semi-permanent hair dye is generally refers to the ability 6-12 shampoo lavation only then to fade, the semi-permanent hair dye spreads on the hair, after pauses 20-30 minute, strips with water, then causes the hair color.Its mechanism is the relative molecular weight small dye member seepage en

Semi-permanent hair dye fade only generally refers to the ability of 6-12 shampoo washes, semi-permanent hair dye, applied on the hair, after 20-30 minutes, rinse to make hair coloring. Its principle is relatively smaller molecular weight dye penetration hair skin, some into the cortex, making it mo