If You’re a Head of Hair, This Is Your Golden Age In an era when everything changes so quickly, need we be surprised that the “permanent” is in decline? Surveying the rise and fall of “global hair trends” now in evidence on both sides of the Atlantic, Dat

In an era when everything changes so quickly, need we be surprised that the “permanent” is in decline? Surveying the rise and fall of “global hair trends” now in evidence on both sides of the Atlantic, Datamonitor sees a boom in hair-coloring products as that category takes up slack left by the decline of the perm. (Thecountries covered by the study: the U.S., U.K., Germany, France, Spain and Italy.) Consumers are spending “more than ever” on treatments and products, says the research firm. As they do so, people also demand more of salons. Amenities now range from in-salon cafés to laptops with Internet access. In keeping with the broader mania for all things celebrity, women are eager to imitate the hairstyles of the rich and/or famous. Television pushes the process along, and the study notes that the show Friends helped to make Jennifer Aniston’s ‘do “popular worldwide.” Stylists are emerging as celebrities in their own right—a phenomenon that dates back to Vidal Sassoon in the ’60s but has “heightened significantly since then.” Trading on their renown, stylists are also profiting from “mass-market endorsed products.” Meanwhile, the overall boom in hair-care products has attracted the eager attention of retailers. Supermarkets are “expanding their hair-care ranges,” while stores like Gap are entering the market.Ed Bock/The Stock Market MGM, courtesy The Kobal Collection