this White hair or gray hair loss of hair pigmentationIf it turns gray or white, its appearance may consist of hair in certain areas or spontaneously.
Therefore, although they can also be a sign that we are stressed, malnourished, smoking a lot or have a disease such as hypothyroidism, vitiligo, vitamin B12 deficiency, they can also be a sign of aging. But really looks White hair It is caused by a lack of the pigment, melanin. hair colour. And the cells responsible for producing melanin, melanocytes, lose their function over time and they are disappearing, according to Medical Hair clinic.
In this way, a absence of pigments that cause white color in hair. amount melanin They explain that it determines the color of what is accumulated in the hair, and that the darker it is, the more melanin it contains. Specifically, the hair pigmentation mechanism begins to deteriorate between the ages of 30 and 40, which is reflected in the hair. gray hair appearance.
This is one of the most common symptoms of aging and is the result of a biological process involving genes, proteins and enzymes. Therefore, the hair continues to grow, but it is unpigmented, that is, colorless. “The reason for the appearance of gray hair can be: genetic or hereditary factorsIt can be caused by a state of constant stress, a poor diet lacking certain nutrients, or also certain diseases such as hypothyroidism or anemia,” says Dr. Horacio Foglia, medical director of the aforementioned clinic.