Increased hair growth after chemotherapy
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The diameter of a human hair ranges from about 18 µm to 180 µm. In people of European descent, blond hair and black hair are at the thinner end of the scale, while red hair is the thickest. The hair of people of African descent is typically thicker than the hair of other groups.
The speed of growth is roughly 10 cm/yr = 0.3 mm/day = 3 nm/s. The cells at the base of the hair follicle divide and grow extremely rapidly. This is why people under chemotherapy sometimes lose their hair; the treatment targets any rapidly-dividing cell, not just the cancerous ones.
Structurally, hair consists of an inner cortex, comprising spindle-shaped cells, and an outer sheath, called the cuticle. Within each cortical cell are many fibrils, running parallel to the fibre axis, and between the fibrils is a softer material called the matrix. It grows from a hair follicle.
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- Herbal Care New Zealand
Organic products for weight loss, hair growth, and to stop smoking. - California Pacific Research, Inc.
New Generation hair care systems to promote healthy hair growth without drugs and potential side effects. - Physicians Hair Growth
Hair loss treatment center that supplies ReMox, a combination of minoxidil and tretinoin. - MoreHair.com
Comprehensive, up-to-date information about hair growth, hair loss, and various treatment options. Factual articles on the follicle, the growth cycle, and genetics. - NuGen Hair Growth System
Natural hair regrowth systems for men and women.