The Ultimate Guide To UVA, UVB And SPF

At twenty, having a perfect tan may seem like a great idea, but with age , perfect tanning and unprotected sun exposure can do big damage to the skin. It’s up to us to learn how to take care of it every day to maintain a radiant complexion and toned skin over the years.

To protect your body from the effects of the sun, you must be aware of the harmful effects of the sun’s UVA and UVB rays. These acronyms often come back to our cosmetics or some clothing. But do you really know what they mean?

  • FPS = Sun Protection Factor
  • UVA = Ultra Violet A (long wave)
  • UVB = Ultra Violet B (short wave)

UVA and UVB are two types of very different rays that can harm your skin. To put it simply, remember this: in UVA – we find an A for Age . These are the rays that accelerate the aging of the skin. And in UVB – there is a B for Burn . These are the rays that burn the skin.

UVA accelerates the aging of the skin

UVA is responsible for skin aging and wrinkle formation . They can also contribute to the development of skin cancers. These rays easily cross the ozone layer and thus constitute the majority of exposure to the sun. They pass through clouds, glass and even some clothes. You do not feel them, but they affect your skin.

UVB causes sunburn

The UVB rays are responsible for sunburn and cataract. They can also affect the immune system. But most importantly, they contribute to the development of skin cancers.

The SPF tells you how long you can be exposed to the sun.

The Sun Protection Factor (SPF) mentioned on solar products indicates the possible sun exposure time before the skin begins to flush.

The SPF only applies to UVB rays. It does not apply to UVA rays.

The FPS display different values. There are SPF 15, 30, 50 and more.

Here’s how they work: let’s say your skin starts to blush after only 10 minutes of exposure to the sun. Take these ten minutes, and multiply them by the number of the SPF you applied.

If you have applied an SPF 30:
– 10 minutes x 30 (FPS) = 300 minutes
– Divide these 300 minutes by 60 minutes (1 hour)
– 300 minutes / 60 minutes = 5
– 5 hours of standard sun protection

If you are at the beach or directly exposed to the sun for long periods, be careful with the sunscreen and the protection factor. It’s not about feeling falsely safe. Many products are not resistant to water. So you can not count on five hours of protection if you bathe or play sports. It should also be noted that most sunscreens are intended for a standard daily exposure and not a full day of direct exposure.

At the beach or when you exercise in the sun, prefer a more powerful sunscreen. And do not hesitate to apply and reapply your protection.

10 tips to follow

  • Always apply sunscreen whatever the season.
  • When buying your sunscreen products, always use ”  broad spectrum protection  ” as they will protect you from UVA and UVB rays.
  • To cover the body, it takes approximately 30ml of product, equivalent to a liqueur glass. You will need the equivalent of a teaspoon (5g) for the face.
  • Apply your sunscreen 15 to 20 minutes before exposing yourself . If your skin is red, it’s because the evil is already done.
  • Protect all parts of your body exposed to the sun , including ears, parts not covered by hair or hair; wear protective clothing such as long-sleeved T-shirts, pants and a wide-brimmed hat. Wear sunglasses that protect against UVA and UVB rays. Your eyelids can be burned, but most importantly, exposure to UVB radiation can cause a cataract.
  • It is a mistake to think that you are protected inside your vehicle or behind a window. The rays of the sun can pass through the glass. So protect yourself even if you are not directly in the sun .
  • Get into the habit of applying your sunscreen every two hours after you have bathed or if you have sweated a lot.
  • Avoid the sun at the hottest hours of the day and stay in the shade as much as possible.
  • If you absolutely must be tanned, use a self-tanner. (But do not forget your sunscreen.)
  • Unprotected sun exposure is the number one factor in aging and skin cancer. We must protect ourselves on a daily basis, without sacrificing our pace, of course

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