The formation of acne (scientific name acne vulgaris) is mainly related to the following factors: the body produces a lot of oil during puberty or middle age, but the oil cannot be excreted smoothly through the mouth of the hair follicle. Propionibacterium acnes multiplies in the hair follicle and causes folliculitis, so oil secretion and excretion are the key links in the pathogenesis. This inflammation tends to recur for years, as little as a few years or as much as 20 years. Treatments such as retinoids and antibiotics are generally effective, but they can only play a temporary role in control and relief, while long-term oral administration of these drugs will have an impact on liver function and blood lipids, and may form resistance to antibiotics. So, how to prevent acne? 1, less spicy, stimulating food; 2, try not to use ordinary cosmetics and cause pore blockage; 3, keep the skin clean (develop the habit of morning and evening cleansing); 4, facial oil is obvious, after cleansing, morning and evening external use of oil-control medical skin care products such as: Winona clear acne oil control gel, can reduce the secretion of skin oil, thereby reducing or reducing the formation of acne, and often use Winona clear acne The oil control gel has no side effects on the skin and human body. 5. When the lesions are obvious, the lesions can use Winona Acne Repair Serum during the day and benzoyl peroxide gel or retinoic acid ointment at night, while taking oral antibiotics and retinoic acid drugs.