Dr Teja Kulkarni
Dr Teja Kulkarni
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Protection Against Radiation
Protect Yourself From Harmful Solar Radiation
Solar Radiation
Icon You need to protect your skin from harmful solar radiation every time you go out during daytime – even if it is just for 10-15 minutes.  And yes, even on cloudy days – when you might feel there is no need for protection.  But UV radiation can pass through clouds – in fact, sun allergies sometimes worsen during the rainy season because people feel comfortable and hence remain out of doors for longer
Icon The SPF of your sunscreen needs to be at least 15. If your skin is very sensitive to sunlight, you may even need to apply a sunscreen with an SPF of 50.
Icon Apply sunscreen at least 20-30 minutes before sun exposure.
Icon Most sunscreens give protection for about 2 – 2 ½ hours only.  So if you are going to be outdoors after that, reapply your sunscreen.
Icon If you tend to sweat a lot or if you are exposed to water, you might have to reapply your sunscreen sooner.
Icon If you have to step out before your sunscreen has had time to have its effect, which usually happens if the visit outside is unplanned, protect your skin with a scarf, sun coat, umbrella, etc.
Icon If you are allergic to a particular sunscreen, if you get problems like pimples because of the sunscreen, if you already have pimples or other skin problems to begin with, or if you tend to sweat a lot, it is better to consult your dermatologist to help you choose from the large array of sunscreens available.
Icon There are medicines available, which, when taken orally, can offer some protection against photodamage.
Icon Though sunscreens are very good at preventing allergies due to ultraviolet radiation, they may not prevent tanning entirely.  You may need some additional  protection, especially in the summers.
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