How to choose hair dyeing products
Relatively speaking, high quality hair dye cream often does less harm to human body. Therefore, in the face of various hair dyes on the market, MM who want to dye hair must open their eyes and choose well! There are many manufacturers and various brands of hair dyes. Although brand hair dyes are not completely free of quality problems, compared with fake hair dyes, the quality control of large enterprise brand hair dyes is relatively strict. When purchasing hair dyes, you should go to a regular shopping mall or supermarket. When purchasing hair dyes, you should check whether their packaging is complete. Incomplete hair dyes should not be purchased. The product identification shall be clear. In addition to the production batch number and health license number, the manufacturer, production address, product name, production date, warning, use guide, storage conditions that meet the warranty period and sexual requirements of the product shall be clearly marked.
Which is better, hair dye or bubble hair dye As long as it is a hair dye produced by a regular brand or manufacturer, it is good whether it is hair dye cream or foam hair dye. In fact, no matter what hair dye, it will cause some damage to the hair. So we should pay attention to the following points when we dye our hair: first, we should choose hair dyes from regular manufacturers. Needless to say, this is the key. Secondly, we dye our hair. The shallower we dye it at one time, the more harmful it will be to our hair. So don't dye your hair too light for the first time. After dyeing, your hair will become more fragile. You should do a good job of maintenance and care.
How to keep the leftover hair dye 1. If it is not used up, as long as the lid is tightly closed, it will be effective within one month. As long as the oxidant is properly stored, it will not become invalid within three years.
2. When storing, it should be placed in a place where the temperature changes little and will not be exposed to the sun.
3. Keep it in the refrigerator to keep its original function for a long time without deterioration.
