Acne is one of the most common skin problems afflicting the human race and it affects people irrespective of age, caste, colour or gender. Acne is a tremendously embarrassing and burdensome problem, because it is so obvious and off-putting. Acne can be defined as red eruptions on the skin, sometimes containing a white substance, causing itchiness and irritation. The most common form of acne is called acne vulgaris or puberty spots.