Is It Necessary to Use Sunscreen at Home: What’s the Truth?

Horizon Clinics

Mar 17, 2021

You may believe that if you roll out of bed, get in your car, and drive to work where you settle at your desk all day, that you don’t require sunscreen.

 

Or probably you’re surrendering on a lazy Sunday, binge-watching your favorite show.

 

But is it the case that you don’t require sunscreen indoors?

 

Or is that a popular myth?

 

In fact, some popular celebrities also support the notion of not applying sunscreen all the time. Take the example of Salma Hayek Skin Care routine. She doesn’t apply sunscreen all the time unless necessary or when she is going to be out, but she still has amazing skin.

 

So, is sunscreen really necessary, after all?

 

Well, some evidence suggests you may, indeed, be hurting your skin and upping your chances of skin cancer, if you don’t use sunscreen even indoors.

 

Why Should You Wear Sunscreen Indoors?

 

According to four of the five dermatologists we surveyed, you should use sunscreen indoors. 

 

Why? 

 

Well, if you're standing near windows or in front of a computer screen, you're exposing yourself to potentially skin-damaging light. 

 

There are three major reasons why specialists say you should use SPF indoors, all comprising what you’re exposed to:

 

  • Ultraviolet A (UVA) rays

  • Ultraviolet B (UVB) rays

  • Blue light from smart devices, computers, and TVs

 

Sunscreen and Ultraviolet A (UVA) Rays

 

Ultraviolet A rays, which can result in signs of aging, can infiltrate windows and cloud cover.

 

Unfortunately, not all windows are assured with safety from the sun's harsh rays. Unless you're in a windowless room, you should slather on SPF.

 

Shorter wavelengths of UVA can also cause you to have sunburns. These sunburns, when severe, can result in blisters. 

 

In fact, information out there on how to get rid of sunburn blisters also mentions the importance of applying sunscreen or sunblocks each day.

 

Sunscreen and Ultraviolet B (UVB) Rays

 

Then there are Ultraviolet B rays, which can hurt the skin's DNA, building the inflammatory response that oversees red sunburns.

 

A sunburn peels when the cells are beyond repair and cease.

 

Those cells continue increasing and get damaged over time through exposure, resulting in skin cancer.
 

Sunscreen and Blue Light

 

The blue light radiated from digital screens, including your computer, phone, tablet, and TV  can damage your skin in two ways:

 

  • Blue light can boost the production of melanin or pigmentation in the skin, which could result in melasma and age spots.

  • Blue light can also increase free radicals, which might cause inflammation and lead to the deterioration of collagen and elastic tissue in the skin.

 

Should You Avoid Using Chemical Sunscreens?

 

We don’t have firm proof that chemical sunscreens are causing any significant damage to humans.

 

We have some studies, but no, we don’t have firm information that something sinister is going to happen from the use of chemical sunscreens.

 

We don’t understand yet if they’re doing anything destructive once they get assimilated.

 

The decent sunscreen for you is the one that you’ll use, whether it’s chemical or mineral-based.

If you devote yourself to wearing sunscreen indoors, then you should reapply every two to six hours or as mentioned on the label.

 

What If You Don't Want to Use Sunscreen Indoors?

 

When you’re at the beach or out running, then the danger of skin cancer far outweighs any speculative concern about chemical sunscreens.

 

You should possibly put on some sunscreen. It's not always a decent way to deal with the difficulty, though.

 

When you're inside your own home, just draw the curtains or move off.

 

If sunlight doesn’t permeate your windows, no additional indoor precautions are necessary.

 

But should you wear sunscreen at night?

 

The short and sharp answer is no. It’s not inevitably “wrong,” but it’s also not required.

 

The Takeaway

 

So, now you may think: should I wear sunscreen every day?

 

Yes, you should use sunscreen every day. 

 

If you don't do so, you're going to cause harm to your skin, which can lead to evolving cancerous skin lesions later on in life.

 

Even when it's hazy, up to 80% of the sun's rays are still being immersed into your skin. 

 

Plus, the existence of the sun can almost double the percentage of ultraviolet radiation that bombards your skin. 

 

This means, every single day of the year, no matter what the conditions are like, if you’re outdoors for even 10 minutes, you should be applying SPF.

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