It works the same way it works for anyone else who is in direct sunlight for too long. Black people can get melanoma too.
“All skin tones are susceptible to sun damage. Sunburn will cause darker skin tones to go darker, and the skin will feel hot and painful to touch. While darker skin tones are less likely to burn, almost anyone can get sunburnt or develop skin cancer.”
It works the same way it works for anyone else who is in direct sunlight for too long. Black people can get melanoma too.
“All skin tones are susceptible to sun damage. Sunburn will cause darker skin tones to go darker, and the skin will feel hot and painful to touch. While darker skin tones are less likely to burn, almost anyone can get sunburnt or develop skin cancer.”
https://www.medicalnewstoday.com/articles/326378