If there is red blood, it is recommended to improve from the following aspects:

1. Keep a happy mood and keep your skin moist.

2. Pay attention to keep warm, prevent sun and control emotions.

Don't eat spicy food in your life and diet.

Be sure to drink more than 8 glasses of water every day, preferably boiled water.

5. You can also use grass cream to remove red blood and repair keratin.

You must find the right way to work.