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Grey or white hair is not caused by a true grey or white pigment, but is due to a lack of pigmentation and melanin. The clear hairs appear as grey or white because of the way light is reflected from the hairs. The change in hair colour occurs when melanin ceases to be produced in the hair root and new hairs grow in without pigment.
Here, dermatologists explain why hair turns gray or white, the illnesses that could cause gray hair, and reasons for premature graying. Here, dermatologists explain why hair turns gray or white ...
Gray hair is an inevitable part of life; however, when your hair actually begins to start graying is determined by a slew of factors. "Gray hair in your 20s can be influenced by genetics, meaning ...
Premature greying of hair has been observed with greater frequency among certain families, suggesting a familial predisposition for the condition. As hair pigmentation is a result of complex interaction between various genetic factors, it is thought that premature greying could be due to exhaustion of melanocyte 's capability to produce hair ...
How do celebrities cover gray hair? North explains that celebrities often use a combination approach: "Many of my former clients relied on regular glossing treatments and strategic highlighting to ...
Scalp hair was reported to grow between 0.6 cm and 3.36 cm per month. The growth rate of scalp hair somewhat depends on age (hair tends to grow more slowly with age), sex, and ethnicity. [3] Thicker hair (>60 μm) grows generally faster (11.4 mm per month) than thinner (20–30 μm) hair (7.6 mm per month). [4]
Listen, we know firsthand how tempting it is to bust out the tweezers when you see a wiry strand poking through, and as Dr. B says, pulling out the occasional gray won’t be catastrophic, but ...
Pubic hair is a collection of coarse hair found in the pubic region. It will often also grow on the thighs and abdomen. Zoologist Desmond Morris disputes theories that it developed to signal sexual maturity or protect the skin from chafing during copulation, and prefers the explanation that pubic hair acts as a scent trap. Also, both sexes ...