Everything you need to know about sunscreens

sunscreens applying to babies

Sunblock or sunscreens are the products which protect your body’s skin from harmful sun rays. People who have daily outdoor work are advised to use sunscreens strictly because harmful rays of the sun can cause skin cancer.

Ultraviolet rays are harmful rays to our bodies. There are two types of rays;

  • UVA
  • UVB

Following are the effects which can cause by the UV rays

  • UVB rays are harmful rays which cause sunburn
  • Early aging of the skin
  • Eye infections
  • Low level of white blood cells which in turn responsible for our immune system
  • Skin cancer
  • Clumps of melanin cells

Now come to the frequently asked question about which SPF sunblock should be used;


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There are myths that SPF with high numbers will affect you more from sun rays instead of low number SPF sunblock. This is merely a false concept.

Actually, people who have darker tones of skin have to amplify levels of melanin hormones in their bodies. These hormones have the ability to fight the harmful sun rays. So, those who have dark-toned skin are advised to use sunscreen of SPF 30. While some people have light-toned skin, their concentration of melanin hormones is way lesser than that of dark-toned people. Hence their body does not have the ability to fight back the UV rays. Hence, they are advised to use 50SPF sunscreen.

There are two types of sunscreens

  • Physical blocker
  • Chemical blocker

Physical blockers reflect the ultraviolet rays coming from the sun. It contains one of the two active ingredients that are zinc oxide or titanium dioxide.

Chemical blockers actually absorb the UV rays from sun. It contains a chemical called oxybenzone. Which is said to be a hormone disruptor. As it is known that it can seep into the cell membrane and can affect hormone production. But no research could prove that.

To wrap up:

People should make use of sunscreens according to their skin types and tones. It is known that; everything can be harmful if used undirected. Hence prescription is a must. Happy reading!

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