Acne Vulgaris is caused by the hormone androgen (male hormone in men and women) when acne occurs this is due to an over production of androgens or the person havning sensitivity to the hormones, this then causes an over production of sebum (oil) in the skin which then bacteria
then feed on.
Acne Rosacea does
not occur in the same way, and it does
actually occur in people around middle age. The symptoms:
• Frequent flushing of the face, similar to blushing.