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As soon as the temperatures warm up and the summer season takes full speed, we enter our cabinets to recover sunscreen from last year. The only problem? Just like the items in your medicine cabinet, sunscreen has an expiration date, so the old bottle may not do you much good. Even if you might want to believe that the "use" and "best-by" dates affixed to your favorite bottles and sprays are only a suggestion, this is just not the case.
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"The sunscreen expires indeed and will always have an expiration date printed somewhere on the package," says Lauren Fine, MD, a dermatologist Chicago-certified Chicago Cosmetic Surgery and Dermatology. "An expired sunscreen will not work as well and will increase your chances of getting a sunburn." Not only is the burn painful, but it can increase the risk of skin cancer.
Another thing to note: along the beach, and it lies in direct UV light and heat, it can actually go wrong before the expiration date, notes Lance Brown, MD, a surgical dermatologist and Certified cosmetics in New York City.
Surprised by these truth bombs of sunscreen? There may be other things about staying in the sun that you do not know, and this could put your health at risk. Put your knowledge of the sun to the test with this little quiz:
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Advertisement – Keep Reading Below [19659003] The answer: True
Each sunscreen has an SPF or sun protection factor. The SPF represents a lot more time than a person can be exposed to the sun before having a sunburn compared to not wearing sunscreen, says Dr. Fine. For example, the SPF 30 means that you can be safe in the sun 30 times longer than if you do not wear sunscreen.
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The answer: False
For sunscreen to be the most effective, you have to apply enough of it. Try to use a quantity of shot glbad and apply it every two hours, says Dr. Fine.
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The Answer : True
The UV Index is indeed a calculation helping people to understand UV rays arrive on a given day, in a specific place. It ranges from 0 (low) to 11 (extreme). A lower index usually means less risk of solar or UV radiation. According to Jennifer MacGregor, MD, a certified dermatologist in New York City at Union Square Laser Dermatology, higher numbers mean more radiation and danger.
"It's like a weather forecast," she says. "It takes into account elevation, protection of the ozone layer, cloud cover and other factors to alert people to particularly dangerous days or places."
Remember that UVA rays pbad through clouds and windows. , aging, and skin cancer) even on days that are not sunny or could have a lower index. Detailed weather sites, such as Accuweather.com or Weather.com, will have these numbers readily available
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Answer: False
Select makeup or moisturizers with SPF is a bonus, but they are certainly not enough to spend the day. "Although these products contain SPF, you should use a huge amount and reapply so often that it would not be realistic to use these products as a sunscreen," says Dr. Brown, who suggests that Apply a moisturizer or makeup with SPF, then follow with sunscreen 20 minutes before going out in the sun. Brown also warns that makeup with an SPF of 15 and sunscreen with an SPF of 15 is not equal to SPF 30. "There is no cumulative effect."
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Answer: True and False
Question delusional, sorry ! On the one hand, once you have received a sunburn, the damage is done. However, coconut oil can help soothe the situation. "Moisturizers, including coconut oil, oral anti-inflammatory medications like ibuprofen, topical anti-inflammatory drugs like hydrocortisone or corticosteroids, and topical antioxidants like Vitamin C can be used after the fact MacGregor says
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Answer: True (horrifying, we know it)
The sun's UV rays can damage not only the eyelid skin, but also the cornea, the lens and other parts of the eye.Save your pretty mirettes with a solid pair of sunglbades, suggests Dr. Fine. "Look for sunglbades that block 99 to 100% of UVA and UVB rays and 75 to 90% of visible light," she suggests.
She also shares this good news for fashionistas: The color or the shading of the lens does not affect how they block UV rays. "Just make sure your sunglbades are snug," she says. "They should fit snugly and stay in place with the movement.The wraparound styles and wide lenses guarantee the protection of your eyes from all angles."
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Answer: ] False
Although UVA and UVB ultraviolet rays are a major source of skin cancer says Rebecca Baxt, MD, a dermatologist and medical advisor at Zwivel.com, they are not the only causes. "Some skin cancers are genetic, and some occur without any determinable source."
Answer: False
"Although sunscreens with an SPF of 50 and higher can offer slightly better protection, they need to be reapplied as often as any screen solar, "says Dr. Fine.
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