Can a beard that has turned white turn black again? Why?

If it is hair that has already grown, once it turns white, it will not turn black again. This is because hair does not turn white, but is naturally white, dyed black by the melanin produced by the melanocytes in the hair follicles during growth. So the hair does not turn gray, but because the amount of melanin produced by melanocytes decreases with age or other reasons, so that some hair is not dyed.

Because people don't look at hair one by one, but at one hair or a piece of hair, there are countless hairs, and they are judged according to whether there are gray hairs or how many gray hairs there are, so there is an illusion that black hair has turned white. After growing gray hair, do you want to keep growing gray hair and go down from now on? Not necessarily, because hair is constantly shedding and regrowing, gray hair will fall out and new hair will grow back.

Generally speaking, if there is already a lot of gray hair, the proportion of new gray hair will be very high, but there are also some factors that will affect the ** melanocytes and return melanin secretion to normal, so there will be gray hair with a gradual decrease in gray hair, or even no longer gray hair, of course, this is a very rare situation. It's like that's with hair, it's like it with beards. There is no food that can darken hair, and there is no medicine that can do it.

Polygonum multiflorum does not turn black, it can only cause liver damage. The best thing to do is to ignore it, or dye your hair regularly. This process happens to be what I determined.

With my daughter's success in school, I have no worries.

There's nothing in this world that worries me about getting angry. People, basically entering the health stage, do not think about money. The house was also bought, full payment, this one is redundant, but not more suitable than saving.

The above is a detailed interpretation of the problem, I hope it will help you, if you have any questions, you can leave me a message in the comment area, you can comment with me more, if there is something wrong, you can also interact with me more, if you like the author, you can also follow me, your like is the biggest help to me, thank you.

You can't re-blacken because the hair that has turned white is already white, and if you want to turn black, you need to grow black hair again. If you want to grow black hair, you can eat more black sesame seeds.

No; Because the graying of hair due to age, genetic factors, kidney deficiency, and mental factors will directly affect the production of melanin in the hair, so it cannot be blackened again.

It is possible, depending on the physical fitness, as well as the nutritional supplementation in the later stage. Because eating nutritious food can make the whitened hair turn black again, depending on the process of dietary therapy and the way.

It is a normal aging process that the body's hair turns white, and the body's metabolic function is slowly weakened, and this process is irreversible.

Let's start with the conclusion. We know that the amount of hair that grows is equivalent to a dead protein, so in general, if the growing hair has turned white, it is very difficult to get it back black unless you use hair dye.

However, for hair that is still growing, or has not yet grown, there are a few ways we can prevent the hair from continuing to turn gray.

Whether gray hair is caused by genetics, aging or illness, the cause is the decrease in melanin particles in the scalp. Healthy regular work and rest are the foundation of the body, try to avoid staying up late, maintain a happy mood, and relax yourself when you are anxious, all of which can reduce the production of gray hair.

Nuts are often rich in trace elements, these trace elements have a good relieving effect on gray hair, walnuts, pine cones, etc. are suitable nuts, and they do not need to be eaten in large quantities every day, and can be consumed in moderation. In addition, you can also eat more sesame seeds, black beans and other foods.

Gray hair always makes people feel old, and even when this happens to young people, they look much older than their peers. Reducing gray hair is both for the aesthetics and for the body.

<> "Blonde people's hair will turn gray when they get old. Regardless of the color of the hair, the pigment in the hair will become scarce and gradually turn white during the aging process. This is due to the decrease in the production of melanin pigment in the body's air examination, which gradually disappears.

Well, no matter whether the black hair, the blonde hair, the brown hair, the old age is white.

Yes. When you get old, you don't have nutrients, and your hair turns gray.