2 doctors weighed in:

What causes skin to tan in the sun?

2 doctors weighed in
Dr. Heidi Fowler
Psychiatry
1 doctor agrees

In brief: Tanning

The UV light from the sun's rays causes cells called melanocytes to produce a pigment named melanin.

In brief: Tanning

The UV light from the sun's rays causes cells called melanocytes to produce a pigment named melanin.
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