Cold Defence Nasal Sprays
Sliced Bread
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Can the VIX's First Deterrent Really Prevent Colds?
The VIX's first defence works as an acid, and the Boots' dual defence works by trapping viruses. Both of these products work by physical means - they're not working on the immune system or the hormone system of the body in any way. The sooner you take the product, the better for preventing colds. Ron: "I would give them a try... I still use the sprays when I'm in an at-risk situation"
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