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Proof! is an independent testing service for the consumer of alternative and complementary health remedies and products, such as supplements and herbs, as well as eco and 'green' products and services. Its tests establish the active ingredients in products - which can differ dramatically from the claims made on the labels - as well as their reliability, shelf life and usability.

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The Best Sunscreening Products

When it comes to ensuring safety in the sun, the natural options may not be so natural


When the sun is out, many of us feel we are doing our best to protect our skin by using suncreams. But some scientists believe that sunscreens may, in fact, encourage the dev-elopment of skin cancer. In addition, some of the chemicals in suncreams are oestrogenic and may be toxic to living cells.

Two basic types of creams are available: chemical sunscreens, which absorb ultra-violet (UV) light; and chemical sunblocks (usually based on minerals), which reflect or scatter UV light. In general, the higher the SPF (sun protection factor), the greater the number of chemicals. With more chemicals comes an increased risk of allergic reactions (Contact Dermat, 1997; 37: 221–32).

More worrying are the potential long-term risks. Sunscreen chemicals are easily absorbed into the bloodstream through the skin (Lancet, 1997; 350: 863–4; Br J Clin Pharmacol, 1999; 48: 635–...

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