This study conducted by the research and development arm of the cosmetics manufacturer, L'Oreal, was conducted to establish global trends about graying hair.
The study also found that men and women with gray hair were much below their expectations.
Between the age of 45 and 50, 63% had some grey hair which went up to 78 per cent of people aged between 51 and 55, with an average of 26 per cent of their hair grey.
Source: Medindia