Sunbathing and a special fluorescent lamp. Now many male artists will use this method. If you want to use it, it is recommended to consult a professional and never damage your skin. I heard that improper methods lead to tanning and skin cancer. As you said in your case, skin peeling means that the skin has been slightly sunburned, so you should pay attention to protection. Louis Koo and others, their blackening is also a good skin protection measure.

All beauty comes from health.