Health Magazines has write about myth and fact about sunscreen, by Michelle Bender

Sun screenThe next time you are exploring the corridors for your protection of the sun of the summer, consider that well-known the five producers of good sunscreen trade names are doing in front of a lawsuit of the class action that allege that their demands deceive consumers on capacity of his products’ to keep from rays UV and to prevent damage and the cancer with the skin.

The game obtained to us that they thought: We are really clear in what sunscreens can and they cannot do? Perhaps no. We took so some from the greatest demands and we worked them of the experts. It can be that you wish to take what it decays long it with of sunscreens they used the beach with you east summer.

Myth 1: Sunscreen is everything what you need to remain safe.

Reality: Sunscreen is only one portion of the picture of the sun-protection, just slathering it on and not to do anything is not going to cut it because, even with sunscreen, still is there until a risk of 50 percents that you burn your skin. The strongest sunlight is between 10.00 pm and 4.00 pm, and you must cover up with clothing, a broad brimmed hat, and UV blocking sunglasses.

Myth 2: SPF measures levels of protection against both UVB and UVA rays.
Reality: The SPF (sun protection factor) measures only the level of protection against UVB rays. But several of the 16 active ingredients for use in sunscreens also block or absorb UVA rays. Ingredients include: avobenzone (Parsol 1789), octocrylene, titanium dioxide, and zinc oxide, as well as the recently approved Mexoryl SX. Make sure one of these is in your sunscreen, or look for products labeled “broad spectrum,” which means they protect against UVB and UVA rays.

Myth 3: Some sunscreens can protect all day.
Reality: Suncreen need to be applied every two hours, the active ingredients in most products begin to break down when exposed to the sun, only physical blocker like zinc oxide potent after two hours.

Myth 4: Some sunscreens are waterproof.
Reality: The FDA does not recognize the term “waterproof,” so don’t count on sunscreen to last through hours of swimming. The agency does recognize “water/sweat/perspiration resistant” (which means a product offers SPF protection after 40 minutes of exposure to water) and “very water/sweat/perspiration resistant” (which means it still protects after 80 minutes). To be safe, reapply sunscreen after swimming or sweating.

Myth 5: A sunscreen can provide “total sunblock.”
Reality: No sunscreen blocks 100 percent of UV rays. An SPF 15 protects against 93 percent of UV rays, SPF 30 protects against 97 percent, and SPF 50 wards off 98 percent. You should slather two tablespoons on your body a half-hour before going outside, so the sunscreen has time to absorb into your skin.

(source Heath magazine, image clinique)

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Safe Cosmetic on 5 December, 2009 at 2:02 am #

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