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www.ask.com/beauty-fashion/long-sunscreen-last-6528aadba2a1e1f6

Most commercial sunscreens are made to maintain full strength for three years. However, some are not made to last that long and have a printed expiration date on the packaging. Aft...

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ASK THE EXPERT: Does sunscreen become ineffective with age ...

www.skincancer.org/skin-cancer-information/ask-the-experts/does-sunscreen-become-ineffective-with-age

Q: Does a sunscreen become ineffective with age? How long can I keep a sunscreen before I have to throw it out? A: Expiration dates are often stamped ... Can I still use my sunscreen from last summer? What should I expect from a full body ...

Does sunscreen expire? - Mayo Clinic

www.mayoclinic.org/healthy-lifestyle/adult-health/expert-answers/sunscreen-expire/faq-20057957

Get the facts about how long sunscreen lasts. ... if you use sunscreen generously and frequently, a bottle of sunscreen shouldn't last from one year to the next.

Does sunscreen expire? - Consumer Reports

www.consumerreports.org/cro/news/2014/05/does-sunscreen-expire/index.htm

May 24, 2014 ... It does depend on where the sunscreen has been sitting since last ... An 8-ounce bottle should barely take you through the long Memorial Day ...

What You Need to Know About Sunscreen, Dermatology | UW ...

www.uwhealth.org/dermatology-skin-care/what-you-need-to-know-about-sunscreen/31735

Jun 24, 2014 ... The Sun Protection Factor, or SPF, essentially suggests how long ... Sunscreen does not stop working the day after the expiration date.

8 Sunscreen Mistakes You're Probably Making - Huffington Post

www.huffingtonpost.com/2013/06/05/sunscreen-mistakes-tips_n_3377817.html

Jun 5, 2013 ... "If you're in the sun, your sunscreen is good for a max of two hours, and depending on the sunscreen it might not even last that long," Garner ...

Can I Use Expired Sunscreen? | YouBeauty - YouBeauty.com

www.youbeauty.com/beauty/ask-a-scientist-can-i-use-expired-sunscreen/

May 14, 2014 ... If you have an old bottle of sunscreen, do you have to throw it out or can you ... Typically they last a year or two, and most are good for three years. ... makes it impossible to generalize how long it'll take for them to break down.

How often should I apply sunscreen? | HowStuffWorks

health.howstuffworks.com/skin-care/beauty/sun-care/how-often-apply-sunscreen.htm

Visit HowStuffWorks to find out how often you should apply sunscreen. ... together to figure out about how long your sunscreen should last [source: WebMD].

Ask Real Simple: What Is the Expiration Date for Sunscreen? - Real ...

www.realsimple.com/magazine-more/inside-magazine/ask-real-simple/expiration-date-sunscreen

Q. How long should you keep sunscreen? ... One more thing to note: A bottle of sunscreen is usually not enough to last an entire season. Every time you go out ...

Popular Q&A
Q: How long does sunscreen last?
A: The time sunscreen lasts depends on its SPF factor; there is a bit more information about that at the link below. However, 5 hours is far more than you'd reason... Read More »
Source: answers.yahoo.com
Q: How long does sunscreen last?
A: I don't think there is one that lasts for 24 hours, but the fact is some sunscreens last for a short space of time, so the Sun Protection Factor is good but lim... Read More »
Source: www.shapefit.com
Q: How long does sunscreen last?
A: usually most dermatologists say that u should reapply it according to the SPF. the lower the SPF, the sooner it will wear off. for example, a sunscreen with an ... Read More »
Source: answers.yahoo.com
Q: How long does sunscreen last before its ineffective?
A: One year. Sunscreen without an expiration date has a shelf life Read More »
Source: www.chacha.com
Q: How long does SPF 45 sunscreen last?
A: 3 types for different sun-exposures. You have to reapply it after sixty to Read More »
Source: www.chacha.com