There are various types of acne, named according to how or why the acne arose. Some of the types of acne are: acne conglobata (chronic boils); acne fulminans (an extreme form of conglobata); acne cosmetica (caused by cosmetics); acne keloidalis nuchae (from shaving); acne medicamentosa (caused by starting or stopping a medication); acne rosacea (redness on the face); baby acne; hormonal acne; cloracne and the common variety, acne vulgaris (also known as ‘puberty spots’). In this article, we will concentrate on acne vulgaris.