Gray is here to stay.
We Asked: Des Tobin, Professor of Cell Biology and Director of the Centre for Skin Sciences at the University of Bradford in the UK.
The Answer: Sorry, no dice. You can neither slow the onset of graying nor reverse it once it's happened.
Hair gets its color from melanocytes, pigment-producing cells that live near the base of each hair. As a hair grows, it absorbs pigment, called melanin. The color that results depends on the ratio of eumelanin (which is black/brown) to pheomelanin (red/blonde), and that is determined by genetics, hormones and age. That's why blonde kids often turn brunette after puberty-and why they go gray as older adults.
QUIZ: How Old Does Your Hair Look?
Graying happens when your melanocytes begin to produce less melanin, fail to produce melanin altogether or simply die off. Researchers have also found that hydrogen peroxide (a powerful bleaching agent) is produced naturally in the hair follicle, but it's broken down by enzymes. As you age, thoseRead More »from Can You Reverse Gray Hair?