As a hair and skincare expert with over a decade of experience in the industry, I can tell you that the onset of gray hair can vary significantly from person to person. While it is common for people to start noticing gray hairs in their 30s and 40s, it can happen earlier or later depending on several factors.

Genetics play a crucial role in determining when an individual will start to see gray hair. If your parents or grandparents went gray early, there's a higher chance you might as well. Hormonal changes, particularly in women after childbirth or during menopause, can also contribute to the development of gray hair. Additionally, factors such as stress, smoking, and poor nutrition can accelerate the graying process.

It's also important to note that the actual color of gray hair is not "gray" in the traditional sense. Gray hair is actually the result of the complete loss of pigment from the hair shaft, which means it reflects all the colors in the spectrum, giving it a white or silver appearance.

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Naturally occurring hydrogen peroxide can also build up in the hair, bleaching the color. Typically, white people start going gray in their mid-30s, Asians in their late 30s, and African-Americans in their mid-40s. Half of all people have a significant amount of gray hair by the time they turn 50.read more >>