The researchers then developed a technique to digitize and quantify the subtle changes in color, which they dubbed hair pigmentation patterns, along each strand. Those individuals provided both single- and two-colored hair strands from different parts of the body, including the scalp, face and pubic area. Eventually, they were able to find 14 people-men and women ranging from nine to 65 years old with various ethnic backgrounds (although the majority were white). Picard and his team began searching for others with two-colored hairs through local ads, on social media and by word of mouth. “She went to the bathroom and actually plucked a couple-that’s when this project started,” he says. Unexpectedly, however, his partner turned to him and said she had seen such two-colored hairs on her head. “I was thinking about this almost as a fictive idea,” Picard recalls. While discussing these ideas with his partner, Picard mentioned something in passing: if one could find a hair that was only partially gray-and then calculate how fast that hair was growing-it might be possible to pinpoint the period in which the hair began aging and thus ask the question of what happened in the individual’s life to trigger this change. Maybe the hairs that turn white first are the more vulnerable or least resilient.” “It seemed like the hair, in a way, recapitulated what we know happens at the cellular level,” Picard says. This patchwork process, he realized, was clearly visible on our head, where our hairs do not all turn gray at the same time. These findings suggest “that there is a window of opportunity during which graying is probably much more reversible than had been thought for a long time,” says study co-author Ralf Paus, a dermatologist at the University of Miami.Īround four years ago Martin Picard, a mitochondrial psychobiologist at Columbia University, was pondering the way our cells grow old in a multistep manner in which some of them begin to show signs of aging at much earlier time points than others. It also aligns patterns of graying and reversal to periods of stress, which implies that this aging-related process is closely associated with our psychological well-being. In a study published today in eLife, a group of researchers provide the most robust evidence of this phenomenon to date in hair from around a dozen people of various ages, ethnicities and sexes. This signaled a reversal in the normal graying process, which begins at the root. In one 1972 paper, the late dermatologist Stanley Comaish reported an encounter with a 38-year-old man who had what he described as a “ most unusual feature.” Although the vast majority of the individual’s hairs were either all black or all white, three strands were light near the ends but dark near the roots. Hints that gray hairs could spontaneously regain color have existed as isolated case studies within the scientific literature for decades. Although this may seem like a permanent change, new research reveals that the graying process can be undone-at least temporarily. As we grow older, black, brown, blonde or red strands lose their youthful hue. Aaron Bradford, colorist at Cedric Salon in NYC, recommends a color he’s dubbed “caramel dreams.” “This is great for brunettes who want to experiment with their look without committing to it long term,” he explains.Īhead, explore expert-recommended fall hair color ideas that will take your locks to a whole new level.Few harbingers of old age are clearer than the sight of gray hair. If you had your heart (and hair!) set on something a bit darker or bolder, hair experts recommend going for rich reds, levels of black, or lush glossy browns. “You’ll see it on a lot of celebrities because it’s an amazing transitional color.” “This color is a very light blonde with a slight overcast of a red or copper tone,” says Pearl. Instead of making the leap all at once, easing into a new shade is a great idea, according to Ryan Pearl, a professional stylist and Redken brand ambassador. While autumn hues like caramel browns and deep reds might come to mind, experts say it’s all about transitional colors, taking your hair from the sunny highlights of summer to a deep, darker color by winter. It works for blondes, brunettes, and redheads alike.” It essentially makes the light pieces pop and fixes brassiness, which comes from colors bleaching out to be too solid. “The best way to do this is with lowlights and tone. “People tend to want to put color back in after all the summer fading and lightening,” says Rex Jimieson, color educator and colorist at Maxine Salon in Chicago. When fall rolls around-bringing cooler temperatures, pumpkin spice lattes, and earth-toned sweaters-there’s a good chance you’re going to want to switch up your hair color.
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