Some tattoo ink can contain potentially harmful levels of bacteria while ... contained unlisted additives including polyethylene glycol, propylene glycol, and higher alkanes that could cause ...

The worldwide demand for natural food additives has tremendously promoted the use of propylene glycol alginate in a vast range of industries. Growing concern for health is driving consumers to ...

Nicotine is the addictive and harmful substance in cigarettes and other tobacco products. It also contains propylene glycol and glycerin, to create vapor. Vaping can cause inflammation (swelling ...