Hongdae Rejuran: The Golden Time to Recover Summer UV Damage Is Now

"I spent a lot of time outdoors all summer, but when I look in the mirror these days, my skin definitely seems duller."

"I applied sunscreen diligently, but my skin tone seems darker and fine lines seem to have increased."

In the September fall transition season, many people raise concerns like these. This is because skin exposed to strong summer UV rays only begins to show the damage gradually in autumn.

In fact, summer UV rays penetrate deep into the dermis, destroying collagen and promoting melanin production. This kind of photoaging damage does not appear immediately; it has a gradual onset.

If you searched for Hongdae Rejuran, you are probably hoping to fundamentally restore this kind of summer skin damage while also preparing for the dry conditions of the coming fall and winter.

For those of you, today I will explain why September is the golden time for skin regeneration procedures and how Rejuran can help.

Hello, I’m Director Jo Won-jin of Chai Clinic.

After performing dermatologic aesthetic procedures in Hongdae for 9 years, September and October are especially the times when the most people visit to recover from summer damage.

There are two main reasons autumn is the optimal time for skin regeneration procedures.

First, it allows you to prepare in advance for the dry environment of winter during the recovery process after treatment.

Second, it is also the time when skin damage accumulated over the summer becomes visible.

In particular, Rejuran is a skin booster optimized for this kind of autumn skin recovery.

Its polynucleotide ingredient, extracted from salmon DNA, promotes the regeneration of damaged skin cells and, with its excellent affinity for moisture, provides deep hydration to dry skin.

Why Hongdae Rejuran Is Right for Now

So, let me explain in detail what kind of damage summer UV rays cause to the skin and how Rejuran helps restore it.

Summer UV rays increase reactive oxygen species in the skin, destroying collagen and elastin fibers. As a result, skin elasticity decreases and fine lines appear. In addition, melanin production becomes overly active, leading to more pigmentation, melasma, and freckles.

Rejuran’s polynucleotide ingredient acts directly on this damaged skin. When injected into the dermis, polynucleotides stimulate fibroblasts to induce new collagen synthesis, while also easing chronic inflammation caused by UV rays through their anti-inflammatory action.

Above all, Rejuran’s moisture affinity supplies hydration deep within skin that has become dry from summer air conditioning and UV exposure. It directly replenishes the moisture in the dermis that ordinary moisturizers cannot fully provide.

Among those looking into Hongdae Rejuran, many complain that their "skin feels oily on the outside but tight on the inside," and this is a representative symptom of summer damage.

Hongdae Rejuran, What Are the Benefits?

Let me explain the benefits of autumn Rejuran treatment in more detail.

First, the recovery environment after treatment is ideal.

There is less risk of exposure to strong summer UV rays, and the humidity is moderate—not extremely dry like winter—so the Rejuran ingredients can settle into the skin stably.

Second, it allows for preparation for winter.

Rejuran is usually recommended 3 to 5 times at 3- to 4-week intervals. If you start in September, treatment can be completed around November, allowing you to maintain optimal skin condition during the dry winter season.

Third, it can block the chain reaction of summer skin damage.

UV damage tends to accelerate the longer it is left untreated. If you intervene actively in autumn, you can significantly slow the progress of aging.

For those who are especially sensitive to pain among people considering Hongdae Rejuran, I recommend Rejuran HB Plus. It includes lidocaine, an anesthetic ingredient, and hyaluronic acid, a moisturizing ingredient, so you can even feel immediate hydration after the procedure.

Summary

What matters most in autumn skin care is consistent UV protection and sufficient hydration.

Many people let their guard down because autumn sunlight feels gentle, but although the UV index is lower than in summer, it is still at a level that can damage the skin. As I always say, no matter what skin care treatment you receive, if you do not apply sunscreen in your daily life, satisfaction may be reduced.

In addition, because this is a time when the skin barrier can easily weaken due to sudden temperature changes, you should also use a mild cleanser and maintain proper moisturizing care.

Just as Chai Clinic’s philosophy says, "There is no such thing as the same skin," the optimal treatment plan varies depending on the degree of summer damage and each individual’s skin characteristics. If you are looking into Hongdae Rejuran, I hope you will make sure to create a personalized care plan through a detailed consultation with a specialist.

Why not choose Rejuran as an autumn gift for skin that worked hard all summer?

This has been Chai Clinic, customizing your beauty. Thank you.

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