Premature ‘grey’ hair – what it is and why it happens
‘Premature greying’ is defined as onset before age 20 in Caucasians + before age 30 in people of dark skin colour. In younger people what they see as ‘grey’ hair is actually a mixture of white & pigmented (or colored) hair – or ‘vellus’ hair growth due to follicle miniaturisation seen in androgenic scalp hair […]
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