how does the pimples in teenagers come about and why is that some do not have

Question: how does the pimples in teenagers come about and why is that some do not have
- Keywords:
  pimples
Asked by mace20fen to Sally, Mmboyi, Mike, Michael, Jacinta, Gliday, Elkana, Edna, Arnold on 17 Jul 2025.
- Michael Kimwele answered on 17 Jul 2025:
  
  Tiny oil glands around these follicles are stimulated by hormonal changes during puberty to produce oily sebum. In acne, the follicle’s opening gets blocked, preventing the oil from escaping normally. The blocked pore is commonly called a whitehead. Blackheads occur when whiteheads are exposed to air.

Question: how does the pimples in teenagers come about and why is that some do not have