In sunlight if our hair turn white, so why does our skin turns black?

Your skin is a living tissue that responds to sun exposure by producing melanin that makes the skin darker. Your hair is dead cell that your body is getting rid of, so the sun is bleaching your hair, just like it would material that has lots of sun exposure.

In sunlight if our hair turn white, so why does our skin turns black?

It is adding nutrition to your skin and taking pigment out of your hair.

In sunlight if our hair turn white, so why does our skin turns black?

ok when ure hiar turn white its not problem of sun but its problem of using wrong camicle shampo which can easily damage our hiar and turn whait thats point

In sunlight if our hair turn white, so why does our skin turns black?

skin and hair are not made up of same tissues and glands each has different properties.

In sunlight if our hair turn white, so why does our skin turns black?

skin is tanned because of the pigments and hence the dark pigmentation or sun burn or tan happens.

hair gets bleached because of chemicals in shampoos or strong uv rays.