What is SPF and PA that you find in Best Sunscreen Gel?
                     
Why are UV rays bad for your skin?
Ultraviolet rays produce vitamin D in the body and maintain good health, so it is necessary to take some 
exposure. However, excessive exposure to UV rays can cause sunburn, wrinkles, and stains.
"Ultraviolet rays," which are the sun's rays, are divided into "UV-A," "UV-B," and "UV-C" according to the 
wavelength, and "UV-C" hardly reaches the surface of the earth, so it is related to "sunburn." Therefore, 
there are only long-wavelength "UV-A" and short-wavelength "UV-B."
The effect of UV-A immediately blackening the skin UV-A is the ultraviolet rays that "immediately blacken 
the skin" after being exposed to the sun. This is because it stimulates the pigment cells (melanocytes) that 
make melanin pigment, which produces melanin and causes pigmentation and skin cancer.
This reaction of "immediately blackening the skin" is a "skin defense reaction" that occurs when the melanin 
pigment works in the body to protect it from the penetration of ultraviolet rays deep into the skin. 
About 30 to 50% of UV-A passes through the epidermis and reaches the dermis, destroying the elastic fibers 
in the dermis, which affects the skin's firmness and causes "photoaging" of the skin wrinkles and sagging. It 
will lead to.
UV-B causes skin irritation
Another UV-B is UV light that "inflames the skin" and makes the skin tingling and burn. UV-B, which 
accounts for about 5% of all ultraviolet rays, is mainly absorbed on the skin's surface. Although it does not 
have the "immediate blackening" effect of UV-A, it affects dark skin color. The energy is so vital that it 
causes the skin to become red and inflamed. In addition, it causes stains and freckles.
● UV-A with a long wavelength - Causes UV wrinkles and sagging that immediately blacken the skin.
● UV-B with a short wavelength causes UV - Stains and freckles that cause skin irritation.
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Usually, if skin turnover (skin reincarnation) can expect, sunburn pigmentation will gradually diminish. 
However, poor skin function and improper care can cause sunburn to remain for a long time, becoming a 
stain.
For proper skin turnover, it is important not to carry stress daily, have a regular life, and eat a well-
balanced diet. In the season when you want to go out actively, do not neglect the measures, suppress the 
inflammation caused by sunburn as soon as possible, and enjoy moisturizing your skin!
How to choose the Best 
Sunscreen Gel that protects 
your skin from UV rays
The indications "SPF," "PA," and "+" are found on gel 
sunscreen packages. This is a numerical value that shows 
how much it protects the skin from UV-A and UV-B, 
respectively. So what do "SPF" and "PA" mean?
■ SPF
SPF is an abbreviation of "Sun Protection Factor" and shows 
the protective effect against UV-B. The SPF value indicates 
how many times more UV light is applied to the Best 
Sunscreen Gel cosmetics than without making the skin 
slightly red the next day.
■ PA
PA is an abbreviation for "Protection Grade of UVA 
radiation." It shows the protective effect against UVA and 
UVB rays. PA is displayed in 4 level of protection from 
"PA +" to "PA ++++," and the more "+" there are, the 
higher the preventive power.
You might think, "Isn't it safe to choose a high SPF and 
PA?", But wait a minute. The important thing in choosing 
sunscreen is, " how long will you be exposed to UV 
rays?" 
It's hard to say, "Because it's a hassle, it's a high 
number...". But, especially for dry skin and sensitive skin, 
choosing a sunscreen based on the numerical values  will 
put an extra burden on the skin and cause skin troubles—
the important thing in choosing a sunscreen.
Is it OK to apply sunscreen in the morning 
to prevent UV rays?
Don't underestimate the UV rays! Even if you apply a lot of sunscreens, it will 
come off if you sweat, and even if you spend your time indoors, you may get 
sunburned by the sunlight coming in through the window. Therefore, it is 
important to reapply sunscreen to prevent UV rays.  Read to know the main 
Advantages of Applying Best Sunscreen Gel in summer
In addition, it is essential to use sunscreen properly, that adheres to the skin 
before going out, "spray type" that is easy to reapply on the go, “waterproof 
“during marine sports, and intense sweating exercise.
First, think about how long you will be exposed to UV rays that day, and carry a 
sunscreen that you find easy to reapply on the go and reapply every few hours. 
Especially on days with intense UV rays and when sweating, we recommend 
reapplying more frequently.
Sunscreen Gel SPF 50
Dermatologists recommend applying 
Sunscreen Gel which contains 
SPF 50 and PA ++++ that you can 
get in Derma Essentia's Sunscreen 
Gel SPF 50 for skin care. Here you 
can get to know sunscreen rating.
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