1 Add lips
I like licking my lips with my tongue. Lysozyme in saliva can easily cause symptoms of local dermatitis.
Wipe your mouth often.
Under frequent rubbing, the skin will become red and congested, and the melanocytes in the skin will be activated by * * * *, leading to an increase in melanin secretion. In the long run, the skin will gradually darken.
Eating domineering, there is a circle of soup around the lips, salty skin, active melanocytes, leading to increased melanin.
3 salty
The skin around the mouth is slightly yellow and darker than other places, which will be more obvious after eating greasy food. It's always like I haven't washed it. Looks like a beard from a distance. How embarrassing, don't be afraid. I'll teach you a few simple moves!
How to remove it?
The quickest way is first aid, but I don't recommend it if it's not urgent, because estrogen can promote the formation of melanin. If these cosmetics are applied, it will make the skin darker, and long-term use will lead to skin lesions.