The truth about applying SUNSCREEN

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When living in Singapore, there’s no good excuse not to wear sunscreen every day. Yes, even when it’s cloudy, you have dark complexion and if you are going to stay indoors. Still people keep looking for excuses not to apply them.

Most of us already know the basic sunscreen tips (E.g. re-applying sunscreen every 40 minutes or 2hours depending on your sunscreen’s instructions) and since this is going to be an introductory post for the average young adult and the non-skincare fanatic people out there. Below are some fast facts you need to know about sunscreen.

Fast Facts

    • + No sunscreen can block 100% of the sun rays

 

    • + 90% of visible signs of aging are due to sun damage

 

    • + Up to 80% of the sun’s harmful UV rays can penetrate your skin, even on cloudy days.

 

    • + 10am to 2pm is when the sun rays are the strongest

 

    • + For any sunscreen product to provide adequate protection, it must bebroad spectrum, meaning it protects against both UVA and UVB radiation, which both play a part in skin cancer and sun damage.

 

    • + Waterproof sunscreen does not exist

 

    • + US Food and Drug Administration (FDA)require all sunscreens to retain their original strength for at least three years.

 

    • + At least one ounce (a shot glass full) of sunscreen should be used, and the same amount re-applied after two hours outdoors or immediately after swimming or sweating. Adjust the amount of sunscreen applied depending on your body size.

 

  • + Applying more than one SPF product to your skin will not necessarily raise the SPF number; you will receive only the amount of protection provided by the highest SPF product applied.

 

Reference

American Academy of Dermatology, Sunscreen FAQs. Retrieved July 8, 2016, from https://www.aad.org/media/stats/prevention-and-care/sunscreen-faqs