Acne is also known as acne vulgaris. It is a skin condition or skin disease which involves the oil glands of the skin and the base of hair follicles over the skin. So basically, this internal inflammatory skin condition causes pimples, blackheads, spots, cystic acne, and nodular acne, especially on the face, back, chin, forehead, neck, chest, upper arms, nose, and shoulders. to know more visit h