Pimple On Jawline Causes. Acne around the chin and jawline is particularly common in your late 20s and 30s according to clinical facialist Kate Kerr. However when these small pores get clogged with pollution or dirt dead skin cells or due to the birth of bacteria inside can cause a breakdown of swollen bump known as cystic acne.

If the clog occurs deep within a pore the body also reacts by creating a closed sack to enclose the cyst beneath the surface of the skin. Here are the causes. The tiny oil glands under your skin protect your skin from germs and bacteria.
For some people hormonal acne takes the form of blackheads.
Acne around the chin and jawline is particularly common in your late 20s and 30s according to clinical facialist Kate Kerr. Shaving cream makeup or even your own hand could be adding to jawline acne. Sebaceous glands produce the oil designed to keep skin lubricated and protected but when triggered by hormones produces oil in excess. When your pores get clogged with dirt excess oil and dead skin cells bacteria can grow inside them which creates a swollen bump called.