Tattoos are an incredibly common form of permanent self-expression that date back thousands of years. Most tattoo artists follow strict health and sanitation regulations, so you might assume that ...

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This study has several findings. First, 10 NACDG allergens were identified with currently relevant food sources; of these, nickel, Myroxilon pereirae, and propylene glycol were the most common. Second ...

Known as methyl ethyl glycol, 1,2-propanediol, or propane-1,2-diol, propylene glycol, is a synthetic, clear, colorless liquid that is widely used as an additive or antifreeze within the food, chemical ...