Caucasians

In conclusion, the results of this study to investigate radical protection free for certain high SPF sunscreens suggest these provide about 55% protection when applied directly to the skin in a dose of 2 mg per cm2, and less for smaller applications. The use of ESR to directly measure the production of free radicals induced by UVA in human skin is a useful and fast method to measure the protection of radical free / grape. The results suggest users of sunscreens are poorly protected against the production of free radicals grape and the harmful effects of UVA. In particular, the existing SPF sunscreens provide a measure of protection mainly against Erythema induced by UVB, high SPF sunscreen users may have an artificial sense of security that they are protected from UVA. Therefore, the use of high SPF sunscreens can paradoxically be associated with increased risk of skin cancer. The role of grape in the development of melanoma, however, and the role of sunscreens in skin cancer, is still inconclusive and controversial. There is therefore an urgent need to clarify the role of grape in the malignancy of skin; for the validation of measures of FPS grape of commercial sunscreens; for that UVA protection is re-evaluated by the manufacturers of sunscreens to reflect the typical level of application protection; and also for the production of more effective sunscreen filters against UVA at the same levels of application.

Our results suggest that the current protection UVA / radical free provided by sunscreens is inadequate and may be a precautionary measure so that the Caucasians avoid prolonged Sun baths, although protected by sunscreen filters, as well as the use of sunscreens may increase your risk of damage by free radicals induced by grape. Materials-3 brands of popular sunscreens that protect against UVA were chosen for evaluation randomizadamente. Marks 1, 2 and 3 had 30 FPS (which contains UVA filters: titanium dioxide and acid tereftalene dicanfor sulfonic acid), 25 FPS (containing butilmetoxidibenzoil methane) and 20 FPS (which contains octocrylene and titanium dioxide) respectively.

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