The back is not smooth with small particles, there are a variety of situations may, first of all, consider is the sebaceous gland secretion of metabolic products, due to local metabolism or back cleaning is not in place, generally through the daily conditioning and cleaning can be improved, but may also be due to keratosis, folliculitis, etc., different situations can take different treatment methods. 1, keratosis: may be the skin follicles formed after keratinization, and subcutaneous sebaceous glands frequently The sebum secretion is directly related to the cortex will form keratinization-like changes, touching with the hand has a significant hyperplasia feeling, so you can feel the back is not smooth small particles, but generally not much impact on the skin. If there is a need, it is recommended to choose topical hyaluronic acid gel, which can increase the hydration of the skin and soften the already keratinized sebum to achieve the purpose of elimination. You can also choose to apply topical adapalene gel, which can make the formed keratosis quickly from the hair follicle internal discharge and achieve the therapeutic effect; 2, folliculitis: the formation of the cause is mainly related to microbial proliferation, can also appear back small particles symptoms, mostly red papules, may be accompanied by itching and pain. The clinical choice of topical selenium disulfide lotion, but also the choice of topical fusidic acid cream, clindamycin phosphate gel and other drug treatment; 3, infectious molluscum contagiosum: the formation of the cause of infectious molluscum contagiosum virus infection related to the early lesions can appear small papules, but this situation is less common, rarely occurring in the back. If the diagnosis of the clinical can take drugs and laser and other methods of treatment. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things.