The Hair Growth Cycle

1. How many phases make up the Hair Growth Cycle?

2. Which phase is the Active Growth Phase of the Hair Growth Cycle?

3. How long does the Anagen Phase last?

4. At what age does hair growth slow down?

5. Which phase is the Resting Phase of the Hair Growth Cycle?

6. How long does the Telogen Phase last?

7. How much hair is in the anagen phase?

8. How much hair is in the Telogen Phase?

9. How many strands of hair can one lose per day depending on the number of hair follicles?

10. When does newborn hair growth become non-synchronized?

11. What is Telogen Effluvium?

12. Which of the following can cause telogen effluvium? (Tick all that apply)

13. Which hormone increases the caliber of the hair?

14. Which hormone reduces the rate of hair growth?

15. Which hormone prolongs the Anagen Phase?