Acne vulgaris is the scientific name for acne. Everyone gets this skin disease At a certain point in life. In fact, it has been proven that about 85% of the total population in any place have had a cause to be infected with pimples are during a point in their lives this occurring mostly during the teenage years. Also, women seem to keep fighting the scourge well into their 40s and 50s as a result of female body cycles and the hormonal changes that occur in women. Men have also been known to develop pimples as a result of stress. The cause of acne is not complicated.