Each strand of hair has its own life cycle. Growth happens in four stages: anagen, catagen, telogen, and exogen. The hair ...

Leading hair specialists reveal the science behind hair loss, sharing vital insights about when normal shedding becomes a sign of deeper health issues.

The average scalp contains about 100,000 to 150,000 hair. The normal hair life cycle lasts for two to three years. At any given point of time, about 90% of the hair on your scalp is growing and ...

Scientists don't know exactly how minoxidil works. It may affect the different phases of the hair life cycle, thereby encouraging growth. It also opens up blood vessels near hair follicles.

Hormones play a major role in regulating the hair growth cycle. Estrogen and progesterone, predominant during pregnancy, ...