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 ...

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 ...

These 11 common skincare ingredients can trigger allergic reactions. Learn to identify and avoid irritants for healthy, happy skin. A dermatology study published in 2020 found that more than a third ...

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 ...