The hairline with bangs will not move backwards, but when the hairline starts to move backwards depends on the way we usually maintain our hair. Many bad habits will lead to the hairline moving backwards, which requires everyone to pay more attention.
Moreover, it is not only the middle-aged and elderly people who have this problem now, but many young people who are busy with work will also have this situation because of the great pressure.
Liu Hai can protect the hairline to some extent. Liu Hai can cover the hairline to prevent it from being exposed to the sun and rain, and can also pull down the hair at the hairline to create a heavy feeling, which can prevent the hairline from growing too fast backwards.