You can solve the problem by talking about it. Don't worry too much. Believe it, you should know more about it first. Let them show you past examples.
There is a health program on CCTV 1 channel, which mentions a lady with spots on her face. Cosmetics have been used countless times, and finally they are worse than before. Finally, with the help of Chinese medicine, I drank Chinese medicine for half a year and the spots on my face were clean. You can go and have a look.