Acne is one of the most common problems especially during the teenage years. It is known as a disorder of the pilosebaceous unit. This unit is made out of hair follicles, hair and sebaceous glands. The sebaceous glands are responsible for the production of sebum that keeps the skin and hair moisturized. It is located everywhere in the body with exception to the soles, palms, toes of the feet and on the lower lip. But it is most abundant on the face, chest and upper neck. read more...