Aging Before the Age: The Mystery and Burden of Premature Gray Hair

At 25 or 30 years old, the appearance of white hair is surprising and can have a significant psychological impact. The phenomenon of premature graying, affecting young adults like Marc, 28, is mainly caused by genetic factors, stress, or psychological distress. Hair biology shows that melanocytes stop or reduce melanin production, leading to white or gray hair. A 2022 study indicates that about 25% of individuals under 30 already have some white hairs.