Sunscreen: Protect Your Skin from the Sun’s Rays
Sunscreen protects your skin from the sun’s harmful UV rays.
The sun’s rays contain three types of ultraviolet radiation: UVA, UVB, and UVC. These rays can directly or indirectly affect your skin, mostly in negative ways.
This is why sunscreen is essential to protect your skin from the sun’s harmful effects, including potential skin cancer, and to prevent sun damage.
When choosing a sunscreen, pay attention to two crucial factors: SPF and PA:
– SPF (Sun Protection Factor): This measures protection against UVB rays. The higher the SPF, the longer the protection lasts. One SPF unit is equivalent to about ten minutes of sun protection.
– PA (Protection Grade of UVA): This indicates the level of protection against UVA rays and is usually followed by “+” signs to denote the intensity. The lowest protection is PA+, while the highest is PA++++. For your face, it is recommended to choose a sunscreen with at least PA+++ to ensure adequate protection.
Do I Need Sunscreen in Winter?
[captionnews] Is sun protection necessary during winter? [/captionnews]
Among the sun’s UV rays, UVA rays are the most pervasive and dangerous. They are present throughout the day, even when it’s cloudy or snowy, and can penetrate through clouds, haze, and even concrete walls.
So, even on cloudy days or during winter, while UVB rays (responsible for sunburns) may be less intense, UVA rays can still cause skin damage, such as dark spots, dryness, and wrinkles.
If there’s snow on the ground, the reflection of sunlight can be equivalent to the sun’s rays at 80 degrees Celsius, further increasing the risk of skin damage.
That’s why dermatologists recommend using sunscreen on your skin all year round. In winter, opt for a moisturizer with sunscreen to combat dry skin, and choose a broad-spectrum option that protects against both UVA and UVB rays.
As Dr. Shari Lipner, a dermatologist at Weill Cornell Medical Center, told Daily Mail Online, “It’s important to use sunscreen year-round because the ultraviolet rays that cause sunburns, skin cancer, and wrinkles are just as strong during the winter.”
So, remember, whether it’s a sunny day or a cloudy one, and even during winter, applying sunscreen before going outdoors is always a good idea to protect your skin!
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Reference: dantri.com.vn
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