A, there are many reasons for large pores, there are congenital factors, there are also acquired factors. 1, large pores have congenital factors, and genetic factors are related, some people’s skin is born is sebaceous gland distribution dense, skin is a large oil field, skin oil secretion, oil drainage channel open, over time caused by large pores. 2, the acquired age factor and photoaging factors caused by the age, with the growth of sebum secretion is reduced, but collagen will be lost and reduced, the skin will become dry, pores blow up, the appearance is the symptoms of large pores. There is also an important factor that leads to large pores is photoaging, ultraviolet radiation leads to rough skin and large pores. 3, artificial factors caused by enlarged pores, such as incorrect skin care habits, the use of face wash brushes, skin massagers, negative pressure cleaners and so on excessive cleaning of the skin, resulting in damage to the skin barrier function, causing a compensatory increase in oil secretion. 4, lifestyle factors; excessive consumption of greasy, spicy, sweet food, as well as staying up late, irritable, angry, irregular work and rest, bad work habits and so on lead to androgen levels rise, resulting in oil secretion, caused by the enlarged pores. 5, facial allergies, acne and other skin diseases, damage to the skin barrier function, skin inflammation caused by the enlarged pores and so on. All these reasons lead to the appearance of the skin looks like the symptoms of rough skin and enlarged pores! Second, then how to treat large pores? 1, for congenital reasons or large oily skin caused by large pores. First, use the drug isotretinoin, Avionics capsules, vitamin capsules and other anti-keratinizing drugs orally to reduce oil secretion, and then apply vitamin A acid gel, adapalene gel, fruit acid peel treatment most can be significantly improved. If combined with peel or non-peel fractional laser treatment, Botox injection, needle-free hydrafacial, micro-needle small molecule hyaluronic acid introduction, PRP injection can play a better effect, and the maintenance time is longer. Of course, according to the patient’s situation can be used in combination with one or two methods, such as PRP with fractional laser treatment, treatment complementary, synergistic effect, better results. 2, for age reasons or photo aging caused by large pores, more important is to replenish the skin moisture and fill the depression volume. Generally it is necessary to Botox hydration injection treatment, needle-free hydration, micro-needle small molecule hyaluronic acid import, PRP injection can play a better effect. After treatment, you need to pay attention to sunscreen products skin care. 3, for acne, skin allergies, skin inflammation caused by enlarged pores, the primary disease should be treated before treating enlarged pores. The actual fact is that you will be able to get a lot more out of it. 4, a light diet, regular work and rest, and a calm mind. It is possible to reduce the sebaceous gland oil secretion, the pore enlargement symptoms can also be significantly alleviated and reduced.