Speaking of which, what's the weather like today?
If it's a clear, sunny day, there's a possibility that danger is approaching you at this very moment.
Ultraviolet rays are contained in sunlight.
While it's well-known as a cause of age spots and wrinkles, for example, one hour of exposure to ultraviolet rays during the daytime in midsummer can cause approximately 1 million damages to each epidermal cell.
A weakened immune system can lead to fatigue, sunburn, blemishes, freckles, and wrinkles, and can even strip moisture from the stratum corneum of the skin, causing dryness.
But do you know why ultraviolet rays are bad for your skin and why they cause blemishes and wrinkles?
Ultraviolet rays are called "Ultraviolet rays" in English. This "Ultraviolet" is abbreviated as "UV".
"UV" includes light rays of different wavelengths: UVA, UVB, and UVC.
Research has revealed that ultraviolet A rays (UVA) play a significant role in the development of age spots and wrinkles.
"Photoaging" is also deeply related to ultraviolet A rays (UVA).
In fact, ultraviolet rays are present not only on sunny days but also on rainy days.
We have to live in constant contact with the sun and ultraviolet rays, all over Japan, at all times and everywhere.
To maintain beautiful skin, it's important to deepen your understanding of ultraviolet rays and to make sure you practice proper sun protection every day.