Vitiligo is a disorder in which patches of skin and mucous membranes lose their normal colour. It affects around 2% of the world’s population.
Factors that can cause unhealthy or unsightly nails include poor hygiene, infections, trauma, underlying health problems, and poor nutritional status.
Dandruff is very common, and is simply the sloughing off of skin cells from the scalp in scaly clusters.
Stretch marks on the skin are more common in women than men, and vary in size and shape.