After autumn, many babies have localized allergy symptoms of varying severity, which is related to the dry autumn climate. Why is there a high incidence of facial allergies in autumn? 1, because the weather is getting drier in autumn, the temperature difference between morning and evening is large, the skin loses more water, the sweat glands secrete less sweat and oil, and the sebaceous film is significantly reduced, which is easily stimulated by the hot and cold changes in the surrounding environment, and it is very easy to induce allergies. 2, after the autumn tiger’s ultraviolet care, if you go out without good sun protection damage to the skin prone to induce inflammation. With the change of seasons, the skin itself is also adjusting, the water content decreases, the skin barrier is weakened, and those with sensitive skin are prone to redness, flaking, itching, dry pain and other symptoms. The change of season, how to prevent skin allergies 1, pay attention to skin cleaning Out back need to do a good job of facial cleaning, will be attached to the skin surface of the pollen, dust clean. When dermatitis skin itching or dry pain, do not scald with hot water or wash with alkaline soap, so as not to stimulate the skin and aggravate the condition. 3, the correct use of skin care products cosmetics is one of the allergens, can not be used casually, but also can not stop all care measures. The skin sensitive period can use sensitive skin care products, or to formal institutions to understand the skin condition, choose the right skin care products. 3, careful use of skin creams appear allergic dermatitis, do not just buy creams, most of these topical creams contain corticosteroids, long-term use will become hormone-dependent dermatitis, after stopping the symptoms may be aggravated, or even become a rash.