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.
Yes, but if your bottle is within the expiration date, youâre good to go. Published: May 24, 2014 06:00 AM. Sunscreens. Sunscreens are designed to stay âfreshâ for three years, and the expiration date on the bottle is reliable. As part of our most recent tests of sunscreens, we retested samples we had stored from the previous yearâs testing and found that their performance did not suffer. It does depend on where the sunscreen has been sitting since last summer, though. If you find a bottle in your trunk or glove compartment, toss it.