First, you need to understand what turns your hair gray. There may be a variety of causes, such as stress, illness, heredity, vitamin and nutrient deficiency, or any combination thereof. But the key issue is a rapid decline in melanin, which gives pigmentation, or color, to the hair. When the melanin molecules separate from each other, the hair takes on a gray appearance. When the body’s production of melanin decreases, the hair turns gray. So to increase your body’s production of melanin you need to fortify yourself inside and out with these home remedies for graying hair.