Question

if nails and hairs are made up of same protein, then why their colours are different from each other? ​

Answer 1

Answer:

The hair bulb has melanocytes in it, which secrete different forms of melanin (eumelanin, pheomelanin) and impart color to the hair.

I don’t believe the roots of the fingernails and toenails (a fingernail is shown here) ever have melanocytes.

Furthermore, the keratin of the nails is much more compacted, or condensed, than the keratin of the hair, giving the nails their hardness and (as a side effect, probably not of functional importance) their milky translucency.

Explanation:

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Answer 2

Answer:

the presence of melanin cells in the hair are what gives it the colour. the nails don't have the melanin cells thus Donny have a significant colour