Why does the sun lighten our hair, but darken our skin..?? =D
The sun effects the melanin in both- melanin is the pigment stuff that gives skin and hair color.
Melanin is also like skins natural sunscreen, basically it helps to protect against sun damage. So when your skin gets exposed to the sun it produces more melanin and makes your skin darker to protect itself.
Your hair also has melanin for color, but the hair itself is dead and can't react to sun exposure. So the sun just bleaches out the melanin and lightens the hair =)
Melanin is also like skins natural sunscreen, basically it helps to protect against sun damage. So when your skin gets exposed to the sun it produces more melanin and makes your skin darker to protect itself.
Your hair also has melanin for color, but the hair itself is dead and can't react to sun exposure. So the sun just bleaches out the melanin and lightens the hair =)
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Ali Khalifa
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Raana Nabeel Bin Iqbal