Aka pimples, inflammatory acne, breakouts, blemish, acne prone skin, severe acne, acne vulgaris, pustules, nodules, cysts, acne cysts, papules Introduction Acne is the most common skin problem happens to almost everyone, and usually begins with skin congestion or commonly known as comedones. When comedones become infected, it can break out and cause acne, open pores and eventually scars. Comedones or blackheads and whiteheads are the first lesion of acne in non-inflammatory form. Acne happens when the blockage inside pores becomes anaerobic; and hence promotes the growth of bacteria Propionibacterium acnes (bacteria P.acnes) within. This infection results the skin becomes inflamed, heat, swollen, pain and red.