Why does the sun lighten our hair, but darken our skin? (Poll Closed) (poll 8661799)

Why does the sun lighten our hair, but darken our skin? (Poll Closed)

1. It's a natural beauty product as well as being cheap, free and easy to use. 100%
2. There isn't a viable sunscreen for hair on the market (the one that was developed was taken off the market as it caused hair loss). 0%
3. Current sunscreens are actually hair colour products using reverse technology (cosmetics manufacturers are killing the hair and sunscreen market). 0%
4. In the sun we see examples of life and death at its finest. In hair and skin we see the results. 0%
5. Bleaching and darkening: proof free radicals really do exist (just stand back when the chain reaction starts). 0%

See this poll on: https://poll.fm/8661799/embed