While studying the genetic defect vitiligo (a condition marked by patches of bleached skin that lack pigment), European scientists noticed that bleached skin was essentially caused by elevated levels of hydrogen peroxide in the skin that was negatively affecting and blocking the enzyme catalase. The scientists began to wonder if the same was true of graying hair. It was found that the natural build up of hydrogen peroxide in hair cells can similarly work to block pigment (melanin) in the hair – ultimately bleaching it and turning it gray or white.

Scientists are hopeful that this may help explain the link between gray hair and stress, but they are careful to note that heredity is still the number one influencing factor in graying. They are also careful to note that, while gray hair may make people look older, there is no link whatsoever to graying and premature aging.

For more information on hair, hair restoration, and/or hair loss contact Dr. Edmond Griffin of the Griffin Center of Hair Restoration & Research.

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