Sooner or later, but they appear. They do not cause any discomfort, but for some people they are a direct hit to self-esteem. Others end up assuming them as a contribution to sexapil, but the truth is that nobody can get rid of them.Although gray hairs have always been associated with old age, this is a relative concept, because depending on the genetic predisposition of each person, these can appear from the age of 20. However, the canicie usually starts between 40 and 50, in both men and women. Of course, it usually takes longer in black and indigenous people than in Caucasians and Asian.
Some dermatologists talk about rule 50-50-50, which states that 50 percent of the population has 50 percent of their gray hair when they are about 50 years old. However, a study by the British Association of Dermatologists, made up of 4,192 healthy men and women, points out that only between 6 percent and 23 percent of the 50-year-old population has half their gray hair.
But why is the loss of color? According to the dermatologist Campo Elías Paez, it is a depigmentation caused by a progressive decrease in melanin, which is responsible for painting brown, black, red or yellow to each hair.When melanin is scarce, it is due to the loss of melanocytes, the cells responsible for producing melanin. This is when the hair follicle (the part of the skin on which the hair grows) stops giving pigment to the hair that is growing, and then the cane appears.In 2004, a study released by the British Journal of Dermatology found that loss of melanocytes is associated with a lack of TRP-2 protein, which begins to decline by age 30. Then, in 2011, Cell magazine published an investigation of the Langine Medical Center of the University of New York, which identifies Wnt protein as responsible for regulating pigmentation between two types of stem cells: those that favor the Development of hair follicles and those that produce melanocytes.But if even knowing this people are still in search of the factors responsible for the arrival of these whitish hairs to the body, they should take into account the following:
Genetics: the appearance of gray hair is a natural process, but it is also determined by heredity. For this reason, it is not surprising that if parents started having gray hair at an early age, the same thing happens with their children.
Lifestyles: although they are not direct causes of the canicie, the bad habits of the people in their daily life contribute to the alteration of their immune system, which accelerates the appearance of the gray hairs. Stress, cigarette and alcohol consumption, eating disorders and anxiety are all on this list.
Diseases: vitiligo, hypothyroidism or pernicious anemia, among other causes, generate problems of oxygenation of the hair follicle and deficiency of B vitamins and minerals such as iron and zinc, which favors the canicie.
In spite of the dozens of scientific studies that have been developed in search of a mechanism that allows to reverse or to prevent the appearance of gray hairs, until now there is no possibility of getting rid of them, other than the use of dyes.Also, along with those attempts there has been much speculation about these white threads that worry so much to some.The dermatologist Campo clarifies some myths on this subject.
If I remove a cane I get more?
Of course not. A cane is simply a percentage of the amount of hair you have. If one of them is removed, the hair follicle restores the gray hair. When more gray hairs start to appear, it is because the other hair follicles have also lost their melanocytes.
Does the hair that falls in the chemotherapies comes back out of the original color?
The drugs that are supplied in the disease produce toxicity in the cells, which affects the hair follicle and generates hair loss. When the effect of the drugs passes, the hair comes out with the same characteristics.
Do they leave from one day to the next?
No. The song is not instantaneous, it is progressive. There are areas that linger longer in the face, such as eyebrows and eyelashes. In contrast, in the pubis and below the navel is where the first gray hairs usually appear. But it all depends on genetics.
Does black hair get gray first?
No. What happens is that gray hairs are more noticeable in dark hair.
Are they thicker?
No. All hairs, in each person, have the same characteristics, we simply think that the cane is thicker because it stands out more.
If I ripped them off the hair follicle?
No. The follicle can be atrophied only if it is made laser (as in epilation). The other thing that can happen is that with the passage of time the pelitos are thinner and weak. Within the stages of hair growth, there is a period in which the follicle is inactive and then reactivated.
Can I prevent them?
No. If you’re going to be gray, it’s going to be. What you can avoid, if you do not have genetic predisposition, is to accelerate the appearance of gray hairs.LISA FERNANDA GARCÍA