"People with darker skin still need to wear sunscreen — for more reasons than one.
Too much ultraviolet exposure from the sun can lead to sunburn, dark spots and wrinkles, and increased risk of skin cancer.
The melanin in darker skin offers some extra protection from the sun, but dermatologists say that isn’t enough on its own."
https://apnews.com/article/sunscreen-for-dark-skin-tones-cccd4a0c1cea4e4a5ca6a67c00a5b5c5