How much does hair grow on average in one month? one centimeter fifteen centimeters seven centimeters thirty centimeters?

one centimeter per month

Explanation:

The hair growth cycle has three phases: anagen or growth, catagen (transition between anagen and telogen) and telogen or resting. The length of the hair is proportional to the duration of the growth phase (which lasts between two and six years). The longer this phase lasts, the more hair will grow and "this depends on genetic, nutritional, hormonal and metabolic factors"

The hair grows about 0.4 millimeters a day, one centimeter a month and about 15 centimeters a year. In addition, "it usually grows faster in adult women than in adult men, and with aging the growth rate decreases," Olalquiaga emphasizes.

The growth is not homogeneous, since in a certain area of ​​the scalp there will always be a percentage of hairs in each of the phases of the cycle.

"In the scalp and, in the absence of pathology, there are approximately 85 percent hairs in anagen phase, 14 percent in catagen and 1 percent in catagen." Thus, for example, hair grows faster in the crown than in the temporal regions.

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