Hair growth cycle. How much hair grows in a year? Hair grows at a rate of 13 to 15 cms. Year. At the base of the hair follicles are constantly forming new cells that are driven by cells that are below, just as in the skin.
How much hair grows in a year and what is the hair growth cycle? What is normal hair growth?
• The process of growth of each hair, as mentioned above is 13 to 15 cms. year, it continues that way for about two to six years, and then the root stops producing new cells, and the follicle enters a resting phase. At one point, comes to have up to 15% of the follicles that are in that phase. That is, the hair cycle is not synchronized in humans: while some hairs are falling, others are growing.
• About three months after this interruption, the root of the hair follicle follows and falls when you comb or brush. When hair loss is hair loss, it becomes evident, it happens that a greater number of follicles have entered the period of decline, and this may be due to different causes.
• Spend another quarter, and when the hair has been recovered, is a new root and the whole cycle begins again. There are roots that remain active longer than normal, and the hair growing on them can have more than one meter long.
• As mentioned, the hair falls out or we die at a rate of between 50 and 100 hairs per day, especially during the fall. Every hair that falls to us is replaced by another, in a natural cycle of renewal. However, if you notice that your hair falls too much, without this happening during a specific period of the year and only in a specific location of the head, it is important to consult a dermatologist.