Hair roots
There are around 75,000 to 150,000 hair roots, also known as hair follicles, on the human scalp. They reach deep into the lower layers ...
Hair growth
Human hair goes through three phases as part of its healthy growth: The growth phase, followed by the so-called transition phase and a ...
Hair loss
The causes of hair loss can be as varied as the forms it takes. Normal hair loss is when up to 100 hairs are lost every day. Hereditary...