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Hair can be bleached of color by the heat and radiation from the sun, melanin in the skin darkens to help prevent damage to it by the sun.

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Q: Why is it that the sun lightens your hair but darkens your skin?
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Related questions

If you are born with red hair will it stay red?

Sometimes red hair darkens with age, or lightens in the sun. Also, redheads tend to go grey quickly when they age.


Which portion of the skin changes when you get a suntan?

When your skin gets exposure to the sun rays, skin darkens. Sun tan is caused due to increased melanin. The color of skin darkens when you get a suntan.


Why does hair get lighter in the Summer?

The sun lightens your hair If you get in a swimming pool the chlorine can lighten it some.


Is it possible to get Sun In out of your hair?

No, it is a chemical-like solution. Once it lightens your hair.... your hair is lightened for good. (or until it grows out!)


What effect does sun have on hair dye?

The main reason is that skin is alive and hair is dead. Melanin is the dark brown pigment produced by your skin to absorb some of the UV radiation from the sun.The melanin in your hair is destroyed by sun and your hair will not produce more melanin to respond to that since it is dead. Your hair will stay lighter until new hair grows in.Skin on the other hand is alive and when the melanin is destroyed by the sun, the skin responds by producing more melanin and thus your Skin get darker.


Does skin darken in salt water?

no, skin only darkens when exposed to UV rays, so when it is dark outside, and you are not exposed to the sun, your skin will thus not darken.


Does tanning in the sun lighten hair on your stomach?

Yes, tanning outside off of the sun does lighten body hair. It also lightens the hair on your head, just not to the effect that it does your body hair because the hair on your head is thicker, longer, and sometimes even darker than your body hair.


Why does the sun make your skin dark but your hair light?

The sun tans your skin makeing it darker but more time in the sun means lighter hair. The sun kinda bleaches your hair so it gets lighter.


What hair color looks best with fair skin and green eyes?

I think blonde hair would be great! I have the same question in my head too! I have green eyes and fair skin and my hair is brown, I'm really bored of the colour so i asked all my friends what colour would best suit me and they said blonde. Try doing it in the summer though because the sun naturally lightens your hair anyways.


Does lemon juice dye your hair or help expose the sunlight to your hair?

Lemon lightens the hair, it depends how long you stay in the sun. If you stay in the sun really long for about 2-4 hours or so, it wont dye it , but lighten it, it depends on how light you want it, and how dark your hair is . :)


Why are there some light-skinned humans and some very dark-skinned?

This depends on the country you come from, countries you've been to, and where you live now. The more sun, the darker your skin. Your skin darkens in an effort to protect itself from the sun.


Can albinos be out in the sun?

No. They have issues with producing melatonin, that protects the skin and hair from destruction by the sun.