The melanin problem starts earlier than you think
A 2016 study published in the International Journal of Trichology, drawing on data from Indian dermatology clinics, defined premature greying as onset before age 25 in Indians, compared to before 30 for Caucasians. That five-year gap is not trivial. It points to a population-level difference in how Indian scalp follicles manage melanin production under stress, and researchers have been unpicking the mechanism ever since.
