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“НАШЕ ЖИТТЯ”, ЛИПЕНЬ - СЕРПЕНЬ 201 3 WWW. UNWLA.ORG 33 PREVENTING A SOLAR SLIP - UP by Ihor Magun, MD, FACP Information about the risk of severe skin damage associated with sun exposure is nothing new. Year - round daily applications of sunscreen are slowly becoming (and should be) a regular morning routine, regardless of age. Sun radiates both UVA and UVB light rays. UVA rays tan the skin and UVB ones cause sunburn. Scientifically speaking, melanin, the skin's natural pigment, is your body's defense. When one gets a tan, melanin goes up to protect your DNA, which has already sustained injury, and this produces skin damage. This damage is cumulative. Ninety percent of wrinkles, brown spots and sagging skin are due to sun exposure. This injury to the DNA begins the process of transformation of normal cells into cancer cells. Many label changes have occurred i n sun protection products. No product is waterproof, only water - or sweat - resistant. Hence, if you swim or sweat profu sely, reapplication is a must. Apply sunscreen and wait for fifteen to thirty minutes prior to sun exposure, and reapply after forty or eighty minutes of swimming or sweating (unless otherwise stated on the actual product). Regardless of the time frames suggested, if your skin feels hot, reapply. The Food and Drug Administration now require s companies to place expiration dates on product s. If you have an old container, check for an expiration date; if no date is given, discard the container. If you do purchase any new sunscreen, check for expiration dates; if none are present, do not buy it. Look for newly stocked merchandise. The inf amous SPF (Sun Protection Fa c- tor) has risen to levels greater than one hundred. But what is the actual benefit? A broad - spectrum SPF30isthe minimal and perhaps the best one. A study from the Skin Cancer Foundation found SPF 30 blocking up to 97% of U VB rays, while SPF 50 blocked only one percent more. Products with higher SPF are frequently much more expe n- sive without significant benefit. However, if you do like a particular product with a higher SPF — go for it. Some motherly - type advice: apply su n- s creen to areas frequently forgotten, such as lips (lip balms are available), feet, ears and scalp (for both men and some women who may have thi n- ning hair). There are SPF powders available that can be applied to hair. Individuals with light co l- or hair and blue eyes are more at risk for skin damage. The sunscreen industry has come up with many combinations of products that literally can fill a medicine cabinet. Combination SPF pro d- ucts are a personal choice and include Vitamin C, green tea extracts, sunfl ower seed oil, coc o- nut oil, anti - acne combinations with titanium d i- oxide and zinc oxide. There are even combination products for foundation. The quantity of sunscreen to be applied depends on your needs. You need at least a te a- spoon on your face includi ng the neck and the “V” part of the chest, if necessary. The protective power of sunscreen is best when just applied to the skin. Store the product s away from direct su n- light, especially those that contain avobenzone (Helioplex and avoTriplex), ecamsule or oxyben - zone. These ingredients become inactive when exposed to excessive light and heat. Ifyouhavea cooler, keep them stowed away there or in a bag away from the sun. Skin protection with sunscreen products is not the only possible defense method. Wearing appropriate clothing — hats, sunglasses, etc. — is a must. Remember that sun rays between the hours of ten and two are the most harmful and can penetrate clothing/bathing suits. You can purchase clothing that is sun - protective — how - ever, make sure t hat it says so on the label. Spray - on tans are safe, widely available, and easy to apply. If you do choose this method, you must still apply sunscreen. Finally, do not get burned paying for products that are not necessarily better. Use your knowledge as an educated individual to select a product based on its value and safety. You will look good and feel even better — having done ev e- rything correctly and limited any aging effect of the sun. Enjoy your summer!
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