UVA and UVB rays: what is the difference between them?

UVA and UVB rays

The solar rays reach the earth according to their type, these can be UVA and UVB rays. Here you will know about each of them and differentiate them at the time of sunbathing in summer.

The sun’s rays penetrate the Earth’s surface through the electromagnetic spectrum. These waves are known as ultraviolet (UV) radiation. UV radiation determines the strongest intensity of the sun. These radiations are measured in nanometers (nm) and will determine the penetration of solar rays into the earth.

Ultraviolet radiation is divided into two types: UVA and UVB, each with certain characteristics and effects on the body. These solar radiations will depend on the visible or infrared light that makes up the solar ray and will define whether they are UVA or UVB radiation. Strong exposure to sunlight can cause damage to humans. One of the most feared is the appearance of skin cancer.

Each type of solar ray can cause side effects, so here you will discover the differences between them and how to protect yourself from the sun’s rays.

Enjoy summer and protect your skin from UVA and UVB rays.

Length of the sun’s rays

UVA and UVB rays

Ultraviolet A (UVA) radiation covers wavelengths between 320 and 400 nm. This type of rays penetrates less into the skin because its intensity is the least energetic of UV radiation.

UVA rays are used to produce body tanning at a lower intensity. There are chemical products that generate a tanning effect because they allow the penetration of these rays into the skin.

Ultraviolet B radiation (UVB) extends between 200 and 290 nm. This type of rays is harmful to the skin because its penetration into greater. It is not useful for tanning, because its radiation 200 to 2000 times higher.

Do not miss it: How to take really good care of your skin

Penetration in the skin

UVA rays are what cause the aging of the skin, as they are able to penetrate deeply into the epidermis and into the dermis. Prolonged exposure to sunlight will cause a darkening of the melanin in the epidermis.

The penetration of UVA rays can produce fearsome wrinkles and skin wear. This type of rays is the most common because they are those used in natural tanning. Take care of your skin from UVA rays using a sunscreen with components that stop the deep penetration of the sun’s rays.

UVB rays produce the appearance of burns, because they penetrate directly into the epidermis, acting mostly at the level of the basal layer of cells. These types of rays damage the vital cells of the epidermis and do not help in the production of melanin. Direct exposure to these rays is harmful to health and is linked to the appearance of skin cancer.

Risk factor’s

UVA rays age skin cells and can damage your DNA. These rays are associated with long-term skin damage, such as the appearance of wrinkles. They also dry out the skin, because the production of melanin and natural fat is lost.

UVA and UVB rays

Tanning is part of summer, but you must protect your skin from the sun’s rays. A good tan is attractive, so some women use tanning chambers to look better. The problem is that these aesthetic procedures can also be harmful to the skin because UVA rays penetrate directly.

UVB rays have a little more energy than UVA rays. These rays can directly damage the DNA of the skin cells and are the main rays that cause sunburn.

Whether you go to the beach or if you are in the city, you should use sunscreen to avoid burns. UVA and UVB rays penetrate more between 10 AM and 4 PM Remember to use sunscreen to prevent burns, wrinkles and skin wear. When choosing the sunscreen, check the type of protection and beware of UVA and UVB rays. Do not expose your skin to solar radiation and enjoy summer!

We also invite you to read this article: http://naturallyyoursmd.com/choose-best-sunscreen-skin/

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