Sunscreen Lotion: Sunscreens, all of us know the use of sunscreen. Many use sunscreen especially in summer to protect against summer heat. And to protect the skin from tanning. Sunscreens generally last from one year to three, but it is best not to take a chance if it has no date on the bottle or tube.
Warning :Don’t Use Old Sunscreen :
Also we have to notice that the strength of the sunscreen depends on where it has been stored since last summer. If it has been in glove compartment of the car, for instance, the active ingredients have probably broken down in the heat.
Some of the companies? advices the customers to check for a European address on the label of the sun cream, advices the HPRA Irish medicines? watchdog. Sun protection factory (SPF) is a measure of a product?s ability to prevent UVB rays from damaging the skin. Many sunscreen labels contain a category of sun protection, ?low? (SPF 6 and 10), ?medium? (SPF 50+). No product can provide 100pc sun protection.
UVB radiation causes the skin to darken in color, or in some instances, burn. UVA penetrates the skin further than UVB causing skin aging, resulting in wrinkles and pigmentation. Both forms of UV rays have the potential to cause skin cancer.
Expiry dates are often printed on the sunscreen containers to specify the time limit for a product?s stability and efficacy. For optimal sun protection as well as texture, stability and sterility, use the sunscreen prior to the date listed.
If you can?t find a date on a new tube or bottle, write the month and year you purchased it in permanent maker on the tube. To test shelf life, manufacturers store a product at 40 degree centigrade with 75 percent humidity, then at 40 degree with 25 percent humidity, and then test it at 0, 1, 2 and 3 months.
For best results, use your sunscreen before the stated expiry date and don?t forget to store them in cool pla