You must know that!

The wig has many advantages: the first is that it’s very lifelike and also with a good decorative effect; the second is the wig is easy combing, you can change your hairstyle in a short time without others’ help; the third is you can try various different hair design to match with different fashion, so that it was more and more admired by people.
1. When you comb it, the movement should be gentle. The wig should be dressed up before you put it on, then to comb it slightly after you put it on. You had better to select the comb which is comparative sparse to comb the wig. It should be comb in a sidelong way instead of a straight way, moreover, the movement should be gentle.
2. Do not use hairpins. In order to prevent the wig may be blown away by the strong wind, someone like to pinch the wig with hairpins. But you can’t pinch the hair too hard. Otherwise, the wig nets set would easily be hooked to bad, you can fix the wig with the ornamental hair band.
3. Do not rub and twist the wig with hands when wash it. If you wear it quite frequently, then it is advisable to wash it once two or three months. Comb the wig before washing it. Meanwhile, the best wig would disppoint you if you clean it improperly. I’ve sought the best trick which ensure your wig(no matter it belong to which class) can be wear for a long period.

now I know it,thanks
I am learning astrophysics online by dint of Yale's open video.