All good things, even when it comes to skincare, have an expiration date. So to get the most benefit (and to avoid any adverse reactions to expired skincare), it’s important to stay (semi) vigilant on the use-by dates of your skincare products. Here are some ways to know whether your skincare has expired, how to help your skincare products last as long as possible, and when to throw skincare products away.

The combination of cold temperatures, dry air, and seasonal stress can wreak havoc on our hair. To help you better understand why your hair gets greasy in the winter, and what you can do about it, read ahead!