Don't ignore the summer skin bask in

Shanxi Province hospital dermatological jinzhong city WangXiaoZhen

Source: health

        With the arrival of the hot summer, more and more people begin to pay attention to prevent bask in, prevent basking in is everyone need to pay attention to all the year round the skin care. The ultraviolet ray in sunshine can cause skin smooth ageing, make splash, wrinkles appear in advance; For some people with special the skin disease, such as lupus erythematosus, dermatomyositis, freckles, age spot, dermatitis, seborrheic Angle, solar sex Angle of the disease, acne and skin laser surgery and so on, to do more to prevent bask in.

        SPF is to point to prevent UVB (medium wave ultraviolet ray) damage prevent bask in the effect value. The skin after red sun will be in, this is the skin to ultraviolet the slightest reaction. Minimum erythema dose, is the skin of the sun appears erythema shortest time. Use prevent bask in things, the lowest doses of skin erythema of growth. PA representative prevent UVA (long wave ultraviolet ray) damage to defend ability index. The defense of the PA is divided into 3 effect, namely PA + said effective, PA++ said quite effective, PA++ + said very effective.

        Under the strong ultraviolet ray of activity, should choose SPF value more than 30, PA++ +; The skin should choose SPF value more than 30, prevent the generation of splash; The skin slants deep, choose SPF value of 15. If you want to go swimming, should choose waterproof sunscreen. Sunscreen should be in 20 minutes before go out onto face, the back of hand, double upper limbs and light exposure site, daub to even, and has certain thickness. After every two hours to go out should be for a time with sunscreen.

        Sunscreen divided into physical sunscreen and chemical sunscreen. Physical sunscreen prevent bask in mechanism is reflected, scattering ultraviolet ray, the function is more moderate, is not easy to allergy, but use up heavy feeling, make the skin white. For allergic skin or prevent bask in children, suggest using physical sunscreen. Chemical sunscreen prevent bask in mechanism is to absorb ultraviolet ray, with the risk of allergy, but use up more relaxed, thin through. At present the market a physical and chemical sunscreen combination of prevent bask in preparation, the simple sense of the advantage with lightsome.

        Now proof, regular broad-spectrum efficient sunscreen can not only prevent the sun acute injury, still can reduce the degree of smooth ageing. The ideal sunscreen requirement can against UVA and UVB rays, and have light stability and good hairdressing effect.

        Suggest the summer go out in addition to blot out sunscreen, but must wear long sleeve clothing,, were part of a hat, use a canopy in ultraviolet ray and sunglasses, etc.