
"These days, the UV rays are so strong that my skin feels unnecessarily warm and irritated."
"Even if I apply sunscreen, my skin quickly feels dry and tight."
"Is there a way to protect my skin from UV rays while keeping it healthy from within?"
As May arrives and UV rays suddenly become stronger, many people find themselves worrying more about skin care. After going through the spring season of changing weather, the skin has not fully recovered from dryness when summer-like UV rays start shining down, making the skin even more unsettled. Those who searched for Hongdae skin booster are probably looking for a way to improve these concerns.

It is difficult to perfectly protect the skin with sunscreen alone. Strengthening the skin’s defenses from within is important. Today, I’ll explain the combination of skin boosters and sunscreen, which is the key to improving skin defense in May.
Profile

Hello, I’m Director Jo Won-jin of Chai Clinic.
After performing aesthetic skin procedures in Hongdae for 9 years, I’ve seen that the number of people visiting with skin concerns especially increases in May. The reason is simple. Skin stress caused by the temperature difference between day and night has not yet been resolved, and with stronger UV rays added on top, the skin’s defenses rapidly weaken.
What is needed in times like this is a "dual defense strategy." That means blocking UV rays from the outside with sunscreen and increasing the skin’s internal defenses with a skin booster.
Skin boosters, often called the "vitamins" of the aesthetic field, help improve the skin’s own regenerative ability, helping create healthy skin that can better withstand strong UV rays. Today, I’ll explain the types of skin boosters and the importance of sunscreen.

Hongdae Skin Booster, Rejuran
Among Hongdae skin boosters, two representative types that help naturally improve skin condition are "Rejuran" and "Juvelook."
First, Rejuran is made of a substance called polynucleotide, extracted from salmon DNA. This ingredient has extremely high moisture affinity, drawing moisture into the skin and helping create a hydrated complexion.

Skin exposed to UV rays loses moisture quickly, becoming drier and more vulnerable to damage. Rejuran helps prevent this moisture loss. There are several types of Rejuran.

Rejuran Healer: A flagship product made of 100% polynucleotide ingredients
Rejuran HB plus: A product that adds hyaluronic acid and lidocaine, a numbing ingredient, to the original formula to reduce pain and increase moisture retention
Rejuran i: Suitable for improving elasticity in thin areas such as around the eyes
Rejuran S: Helps with scar treatment and improving skin condition

Hongdae Skin Booster, Juvelook

Next, Juvelook is a skin booster in which powder made of a polymer ingredient called PDLLA is diluted with injection water and injected into the skin. This ingredient, called a "collagen stimulator," promotes collagen production in the skin and helps thicken the skin layer.
UV rays destroy collagen in the skin and accelerate aging, and Juvelook helps protect against and recover from this damage in advance.

In particular, Juvelook is excellent for improving fine lines, reducing enlarged pores, and giving sagging skin more elasticity, making it good for easing signs of skin aging caused by UV rays.
After receiving a Hongdae skin booster, the skin’s defenses increase, but sunscreen is still essential. You could think of a skin booster as "internal defense" and sunscreen as "external defense."

I’ll explain how skin boosters and sunscreen can work together to improve skin defense in May.
First, internal defense: using a skin booster tailored to the timing
With a Hongdae skin booster, it is difficult to see noticeable changes with just one treatment. For Rejuran, 3 to 5 sessions are usually recommended at 2- to 3-week intervals, and for Juvelook, about 3 sessions at 4- to 5-week intervals are recommended.
Especially if you receive skin booster treatments in advance from May until before summer arrives, you can reduce skin damage caused by UV rays and improve the skin’s own recovery ability. It’s like building up your body with exercise in preparation for summer—your skin, too, can be prepared in advance with a skin booster.
Second, external defense: optimizing sunscreen use
When it comes to sunscreen, it is important to check the sun protection factor (SPF) and the UVA protection factor (PA). Starting in May, it is recommended to use sunscreen with at least SPF 30 and PA++ and reapply it every 2 to 3 hours.
Third, lifestyle habits: improving internal and external defenses
No matter how good the skin booster and sunscreen are, if your lifestyle habits do not support them, the satisfaction you feel will be reduced. It is a good idea to drink enough water, consume antioxidants such as vitamins C and E, and avoid going outside as much as possible during times when UV rays are strong.
Hongdae Skin Booster, Summary

May skin care is now a time when a defensive approach is needed. Only when the skin is healthy from within can it remain strong against external stressors.
Skin boosters play the role of "internal defense" by taking care of the skin’s health from within, while sunscreen plays the role of "external defense" by blocking outside irritation. Why not strengthen the skin barrier by combining these two harmoniously?
However, when choosing a Hongdae skin booster, it is important to go through a detailed consultation process. Since the best results can be achieved only when it is injected precisely into the dermal layer, the skill and experience of the practitioner are more important than anything else.
The fight against UV rays begins in earnest from May, so prepare your skin from within in a healthy way. With the perfect combination of skin booster and sunscreen, you’ll be able to protect healthier and more beautiful skin.
I hope this information is helpful for those looking into Hongdae skin boosters.
This has been Chai Clinic, where your beauty is customized. Thank you.

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