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Posted on Oct 01, 03:39PM | IANS
Nearly one in 10 people over 60 years of age is "naturally blessed" to have not a single grey hair on their head, says a new research conducted in more than 20 countries.
Researchers at cosmetics giant L'Oreal analysed the natural hair colour of more than 4,000 men and women of different ages and ethnic backgrounds from more than 20 countries, including Britain, the Daily Express reported.
The study was to establish the global picture about when people go grey.
It found that among 45 to 65-year-olds, 74 percent had some grey hair, covering an average of 27 percent of their head.
The proportion of people with grey hair rose with age.
In those aged 56 to 60, 86 percent had some grey hair, with almost a third of their head having been covered.
But not everyone in their 60s had grey hair.
Researchers found that 91 percent of 61 to 65-year-olds have, on average, 40 percent of their hair going grey.
But the rest are seemingly defying the greying process, the daily said.
More men (78 percent) have grey hair than women (71 percent).