Sensitive skin on the face is mostly caused by inappropriate daily care or incorrect topical medication that destroys the skin’s inherent protective barrier, making the skin very sensitive to external (e.g. wind, hot and cold temperature changes, UV rays, cosmetics, soap, water or pollution) stimuli, mainly manifesting as redness, dryness, burning, stinging or itching of the skin. What causes skin sensitivity? Many young people, in order to beauty, often overuse cosmetics on the face, such as foundation, blush, loose powder; eye cream, eye shadow, eye liner, mascara; lipstick, lip gloss; sunscreen, isolation cream; toner, moisturizer, nourishing water; skin care cream, cream; serum, serum, etc., in order to clean these thick cosmetics, you have to use a variety of cleaning products such as makeup remover, makeup remover oil, makeup remover water, facial cleanser strong cleansing skin In the long run, the sebum film on the surface of the skin is gradually destroyed, thus forming a sensitive skin. In addition, many young and middle-aged women in order to maintain the skin, will choose some short-term effect with a variety of essence of whitening or wrinkle products or go to the beauty salon to do this treatment, and this short-term with a better whitening or brightening skin products often contain hormone-like ingredients or the role of peeling the epidermis, long-term use will also cause the skin stratum corneum thinning and thus make the skin become sensitive. So the only way to reduce this sensitivity is to repair the skin barrier. It is often said that disease comes and goes like a mountain. After the skin barrier is damaged, repairing it requires long-term persistence and patience. In this process it is necessary to choose the right skin care products to help the skin resist external stimuli. Sensitive skin should pay attention to the following points when choosing care products: 1, choose soft, as much as possible a single ingredient, designed for sensitive skin; 2, focus on moisturizing hydration nourishment and sun protection; 3, before using a small area in the local test. At present, all advocate the use of medical skin care products in the moisturizing and nourishing products, it is different from ordinary cosmetics, is relatively safe, in general: 1, fragrance-free; 2, no preservatives, or the use of preservatives that are not easy to cause allergies; 3, containing less irritating surfactants; 4, the production process requirements are more stringent, after a certain amount of clinical investigation before the market. Therefore, medical skin care products are more suitable for people with sensitive skin.