You can't, you have to die it. Alternatively you can shave your head and buy a wig.
OR you could dye it a different colour.
Hair becomes white when keratin stops regenerating, you can stop graying only if you dye your a hair, else nothing in medical science can be done to stop graying of hair till date.
White non-pigmented hair is hair that has lost its natural color and appears white or gray. This occurs when the hair follicles stop producing melanin, the pigment that gives hair its color. As people age, their hair follicles produce less melanin, leading to the development of white or gray hair. Other factors such as genetics, stress, and certain medical conditions can also contribute to the premature development of white hair.
When kids are stressed they get some white hair.
just a suggestion!! if you do already have a white hair, don't try to remove it most of the time or else the number of white hairs will greatly increased.. I heard it from some rumors.
Premature graying of hair, also known as canities, can be caused by a variety of factors such as genetics, stress, hormonal changes, and certain medical conditions. When the melanin-producing cells in hair follicles stop producing pigment, the hair can turn white or gray.
Why does your hair never stop growing?
If your hair is falling out with a white bulb it is shed hair and the white bulb is the root.
The white fungus in the hair is dandruff.
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you can stop hair breakage by being gentle with your hair as far as combing and styling.also keeping your hair moisturized
Yes, white hair is hair that has lost its pigment and is no longer producing melanin, but it is not necessarily dead. The hair follicle is still alive and can continue to grow white hair.
Gray and white hair are not the same thing. Gray hair is caused by getting older ir stress and white hair is a color.