Skincare: Should You Reapply Sunscreen Even When You’re Indoors? The effect of how many hours it lasts once applied

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Sunscreen For Skin: The importance of sunscreen in skincare is unparalleled. To protect the skin from the harmful rays of the sun, it is important to never skip sunscreen in your routine. While the skin has an inherent defensive response, it is not sufficient to handle solar radiation over a long period of time. Tanning, pigmentation and sunburnt freckles are common problems during the harsh summers. Similarly, while the UVA rays of the sun accelerate the aging process, UVB radiation can damage the skin. Proper use of sunscreen can help prevent these problems and while most people do not forget to use sunscreen, they often miss the necessary reapplication.

So, what is the rule for reapplying sunscreen? Dermatologist Dr Jayshree Sharad said that one of the most common questions related to sunscreen is whether it should be reapplied in 2-3 hours.

Sharing a video about the same, Dr Jayshree Sharad said, “If you are absolutely indoors and there is no light coming from outside, then you can apply it in the morning itself. Make sure you reapply sunscreen if you go out.

He said that if you are going outside or if you are going to face harsh sunlight then you should reapply sunscreen. “Or if you have large windows in your home where 70% of UVA penetrates through the glass, you will need to reapply sunscreen every 2-3 hours.

If you have makeup on, you can probably use powder sunscreen or makeup with SPF.”

Dr Jayshree Sharad also reiterated that the effect of the best sunscreen in the world or even the sunscreen with the best SPF will still wear off within 2-3 hours.

Watch the video here:

It is also important to choose a sunscreen that suits your skin type and always do a patch test before applying it all over the face.

Disclaimer: This material, including advice, provides general information only. It is in no way a substitute for qualified medical opinion. Always consult an expert or your doctor for more details. NDTV does not claim responsibility for this information.


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