A hair expert explains why hair loses pigment and whether stress is the cause.
Hadley KingTo begin at the root of the issue: “Hair follicles contain melanocytes, cells that produce pigment called melanin,” she explains. “As we age, melanin production decreases, so hair, losing pigment, turns gray and eventually white.”
What about stress? Trauma? A sudden catapult into the black hole of existential dread? “Stress hormones cannot cause hair to turn gray overnight,” says King. Though they may be a factor in the survival and/or activity of the melanocyte population, no clear link has been well established between stress and gray hair. One theory is that stress hormones could cause the inflammation that drives the production of free radicals; it’s possible these free radicals could influence melanin production.
As for the Arey supplements , King is familiar with them and points out that there isn’t a whole lot of data to support their claims about slowing down the graying process. However, one of the ingredients in the company’s products, palmitoyl tetrapeptide 20 amide, has been shown in small studies to preserve the function of follicular melanocytes and promote hair pigmentation .
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