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.
9. If you tend to sweat off your sunscreen, look for products with a water/sweat-resistance formula and a touch of menthol. It will keep you cool, dry and safe.OUR PICK Ocean Potion Cool Dry Touch Sport SPF 50 sunscreen, $8; at amazon.com.f you feel the heat of the sun on your skin, shut the blinds.. Even better, choose an oil-free lotion with encapsulated sunscreen, which has fewer chemical irritants than other formulas. OUR PICK Skinceuticals Ultimate UV Defense SPF 30, $40; at skinceuticals.com.