INTRODUCTION. Gastroesophageal reflux, also called acid reflux, occurs when the stomach contents back up (reflux) into the esophagus or mouth. Acid reflux is a normal process that occurs in healthy infants, children, and adults. Most episodes are brief and do not cause bothersome symptoms or problems.
How often to replace: 1  Mascara: every 3-6 months (which means youâll have to throw it away before itâs used upâ¦ the same goes for a lot of these products, probably) 2  Eye shadow: every 6 months. 3  Eyeliner (liquid): every 3-4 months. 4  Eyeliner (pencil): every 6-12 months.
Lipstick expires after a year, while gloss will make it to the 18-month mark. Eye makeup has a decidedly shorter existence. While a pencil liner can last up to 2 years, since you're constantly sharpening it, you should only keep a pot of gel liner for about two months.s we discovered in this video by Bellasugar, it's pretty important to pay attention to makeup expiration dates since a bottle of too-old foundation can quickly turn into a jar of breakout-causing bacteria. Yikes. Some brands, however, make it easy for you.