Your question is extremely confusing. What exactly do you mean by 'stripping yellow from grey hair'? Is your hair turning gray or are you referring to a totally different problem? If your hair is turning gray, there may or may not be anything that you can do about it. Graying is part of the aging process, and cannot be stopped or reversed. Some people have mostly black hair till quite late in life, while others go gray or even totally white by the time they are 50. This is not any indication of the person's state of health; graying is simply determined by each individual's genes. If you are past the age of 35 and have started noticing gray hair on your head, it is most probably normal aging, especially if a lot of people in your family tend to start going gray at your age. You may find a lot of treatments and even expensive products online that claim to stop or reverse graying of hair, but the only thing that will really work is hair dye. If you buy any other product, you are most probably wasting your money, and possibly risking your health too. If the gray hair really bothers you, you can simply dye it. Dyeing of hair can easily be done at home today, and if done well and with good quality colors, no one will be able to tell the difference. The best advice however would be to let your hair be natural; graying of hair is nothing to be ashamed of, and you could even treat it as a sign of experience and wisdom!
If you are under the age of 30 however, there may be other reasons for your hair turning gray. You should of course note that even premature graying may simply be in your genes - there may be nothing wrong with you, and nothing you can do about the graying. But in some cases, premature graying could be the result of other factors such as an extremely poor diet. This is not exactly graying of hair, but certain deficiencies can cause hair to become light in color. However, the only thing you would be able to do on your own is ensure that your diet is varied and balanced. To detect any specific deficiency, you would need to visit a doctor. One condition that could cause hair to become white is vitiligo. However, this would be an obvious cause, as it would also involve the appearance of white patches of skin.
answered by G R