The World Health Organization has Five Moments for washing hands: 1  before patient care. 2  after environmental contact. 3  after exposure to blood/body fluids. 4  before an aseptic task, and. 5  after patient care.
This means that you can use leftover sunscreen from one year to the next. Some sunscreens include an expiration date â a date indicating when they're no longer effective. Discard sunscreen that is past its expiration date. If you buy sunscreen that doesn't have an expiration date, write the date of purchase on the bottle and be sure to throw it out within three years. Also, discard sunscreen that has any obvious changes in color or consistency.
You need to smell your makeup, Greenberg says. If something's off, your nose knows -- and that means it's time to toss. In the above #OWNSHOW video, Greenberg goes six makeup expiration dates you need to know and gives helpful tips for making your products last. Eyeliner: 6 months to 1 year. Gel eyeliner only lasts six to eight months because you're constantly double-dipping a brush into a pot, says Greenberg.