If you swish with hydrogen peroxide everyday you will have the same results plus excellent gum tissue! Recommend swishing with peroxide for minutes morning and night. It kills bacteria that causes decay, gingivitis, periodontal disease. Worth a shot!
Plastic Drinking Straw as Knot Preventer . For tangle-free jewelry during your travels, unclasp the chain, thread it through a plastic drinking straw, and reclasp. For a shorter chain, cut the drinking straw to the desired length.