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.
Experts believe that older the makeup, easier for the germs to get into it which may cause skin or eye infections. Letâs understand the possible side effects of using expired cosmetics. 1  The use of expired cosmetics may cause skin rashes, irritation and reddening.2  In some cases individuals with sensitive skin develop allergic reactions. 3  The use of old mascara can lead to bacterial infection in the eye.4 months. Blusher. 1 year. **It is suggested that you should check the expiry period on the product that you buy as date of expiry can differ from product to product and can also be different with various brands. You wear make up to look good, but wearing an expired product may be bad for the skin.