Acne vulgaris (the common acne) is very common malady of teenagers involving predominantly the face. Although many efforts have been tried to combat with this disease but still it exists as a troublesome problem in society. Modern science deals it mostly with a symptomatic approach. The disease requires correct and efficient long-term management, which produces social and psychological upset. Acne vulgaris is a chronic inflammatory disorder of the pilosebaceous units and characterized by formation of comedones (blackheads & whiteheads), papules, nodules, pustules, cysts, abscesses and scars. Four major factors are involved in the pathogenesis of acne though all the factors may not be present in one patient. They are –

• 1. Increased sebum production: This can be due to increased levels of androgens or their active metabolites. Sebum disintegrates into free fatty acids, which are irritating.
• 2. Abnormal microbial flora: Increased levels of propionibacterium acne contribute to inflammation and irritation. But acne is not infectious.
• 3. Follicular wall and sebaceous duct hyperkeratinization: leads to blockage of retention of sebum.
• 4. Inflammation