Mouse and human skin cells produce melanin on a 48-hour cycle

Researchers have discovered that mouse skin and skin cells from humans produce pigmentation in response to sunlight on a 48-hour cycle. They observed that exposing skin to ultraviolet light every two days yielded darker pigmentation with less radiation damage than daily exposure.
Mouse and human skin cells produce melanin on a 48-hour cycle posted first on https://blog.smacr.com