Question : Grey hair is caused due to
Option 1: ageing of epidermal cells
Option 2: death of dermal cells
Option 3: loss of sebum in epidermal cells
Option 4: loss of melanin in epidermal cells
Correct Answer: loss of melanin in epidermal cells
Solution : The correct option is the loss of melanin in epidermal cells.
Grey hair is produced by a reduction in melanin synthesis inside hair follicles. Melanin is the pigment that gives our hair, skin, and eyes their colour. As we age, the melanocyte cells within our hair follicles generate less melanin, resulting in a decrease in pigment. This loss of pigment causes hair strands to lose their colour, and appear grey or white.
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