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Which hair color turns grey first?: The truth behind hair pigmentation and aging

While many believe darker hair colors gray faster, this perception is often influenced by contrast, as gray strands stand out more against a dark backdrop. The truth about which hair color turns grey first is that genetics, not pigment color, primarily dictates the timeline. The rate of graying depends on the progressive decline of pigment-producing cells in your hair follicles, regardless of your natural shade.