Hair growth cycle Flashcards
How much does our hair grow on average?
1.25cm per month
How many hairs do we loose on average?
100hairs a day
What is stage 1 of the hair growth cycle?
Anagen - hair is growing, 80%of the hair follicles are active
What is stage 2 of the hair growth cycle?
Categen - growth cycle slows down to average of two weeks, follicle starts to shrink and detached from the dermal papilla.
what is the 3rd stage of the hair growth cycle?
Telogen- telogen phase typically lasts around 3 months. The telogen phase is also when new hairs start to form in follicles that have just released hairs during the catagen phase.
what is the 4th stage of the hair growth cycle?
Exogen- During the exogen phase, which can last about 2 to 5 months, new hairs are growing in the follicles as old hairs fall away.