Without the right lube, you’re much more susceptible to micro-tears in the vaginal mucosa, which can lead to stinging and other types of irritation, says Dr. Kate McLean, MD, a board-certified OB-GYN ...

Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University, V Holešovičkách 2, 180 00 Praha 8, Czech Republic ...

Shandong Key Laboratory of Oilfield Chemistry, Department of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266580, China Key Laboratory of Unconventional Oil & Gas ...