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April 13, 2009

Four Out of Five Sunscreens May Be Hazardous to Your Health

Filed under: Health

 

A consumer advocacy group has a warning for parents who think they‘re protecting their family with sunscreen: You may be getting burned.

The Environmental Working Group, a Washington-based nonprofit, has released an investigation of nearly 1,000 brand-name sunscreens that says four out of five don‘t adequately protect consumers and may contain harmful chemicals.

The group says that some of the products of the nation‘s leading brands — including Coppertone, Neutrogena and Banana Boat — are the poorest performers.

The active ingredients of sunscreens are compounds that absorb, reflect or block ultraviolet light. Sunscreens are regulated by the Food and Drug Administration not as cosmetics but as over-the-counter drugs. They’re rated based on their Sun Protection Factor (SPF); the higher the SPF, the better the protection against sunburn.

The Environmental Working Group says that the SPF rating on a sun product is only part of what consumers need to know, and that the biggest problems with sunscreens are that they don‘t offer appropriate protection and that many contain unsafe ingredients.

What’s the Most Dangerous Part of Sun Exposure?

Filed under: Health

Although the risks of sun exposure have been greatly overblown, anyone who has ever gotten a sunburn knows that too much sun genuinely can damage your skin. What is less well known is that for many years, sunscreens only protected you from the potentially beneficial, vitamin D producing UVB rays, while letting through skin-damaging UVA light.

Both UVA and UVB can cause tanning and burning, although UVB does so far more rapidly. UVA, however, penetrates the skin more deeply than UVB, and may be a much more important factor in photoaging, wrinkles and skin cancers.

Even today, while most sunscreens do a good job blocking UVB, fewer filter out all of the UVA.

That means they do not help to prevent the beginnings of melanoma formation. In fact, a sunscreen without adequate UVA protection can end up increasing your risks. If you think you are protected by sunscreen, you are likely to stay out in the sun longer — and all the while, you will be soaking up the highly penetrating, wrinkle and cancer causing UVA radiation without the warning sign of a burn (remember that a UVA burn takes much longer to appear).

Sunscreen blocks your body’s natural production of vitamin D. But in situations where you must be out in the sun long enough to burn, be sure to use a product that protects against both UVA and UVB, such as Natural Sunscreen, which uses a titanium dioxide/zinc combination that reflects both types of rays — while also giving you a beautiful, glowing and healthy tan.






















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