These pastes get their name from their vibrant purple tint. “Purple toothpaste works by using purple dye to neutralize any yellowish stains or coloration on the teeth,” explains Rhonda Kalasho, DDS of ...
REVERE — Purple-tinted sand shimmered in the winter sun on a strip of Revere Beach as people stopped to take pictures and appreciate its beauty. Some beachgoers were wondering how the sand had turned ...
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