Abstract
Going grey has a perception of person getting old and not attractive. Therefore, lot of remedies are tried to colour the affected part of scalp. Use of measures to colour hair or use of medications to change the grey hair to black is only a temporary phenomenon which may not last long as the melanin a pigment which imparts colour to hair is gradually decreased. Men have greying much faster than women. Thyroid hormones [triiodothyronine (T3) and tetraiodothyronine (T4)] and the central neuroendocrine regulator of the hypothalamic–pituitary–thyroid (HPT) axis, thyrotropin-releasing hormone (TRH), which is produced within human scalp stimulate melanin production. Thus, both in hypo and hyperthyroid state greying can occur. This is also altered in Postmenopausal changes include decreased anagen hairs in the frontal scalp, lower growth rates. The preferred action is to have balanced diet, adequate vitamins, avoiding excessive exposure to sun and lubrication of hair regularly with any oil.
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