
Skin Boosters in Songdo, Incheon | Songdo Human Dermatology
How skin boosters work and what to keep in mind
Keywords: skin boosters in Songdo, skin boosters, hyaluronic acid, skin hydration, skin texture |
Skin boosters are not about filling the skin — it is about making the skin healthier. If your skin feels drier than before, if your makeup no longer goes on smoothly, or if fine lines and pores have become more noticeable, a simple lack of moisture may not be the only reason.
What Do Skin Boosters Do?
As we age, the skin loses hyaluronic acid and collagen, and its ability to repair itself gradually declines. The skin becomes thinner and less firm, and it can look drier and duller than before.
Skin boosters are treatments that improve the environment within the skin. Microinjections deliver the ingredients the skin needs, helping it hold moisture on its own and build healthy collagen.
Unlike fillers, which add volume to the face, skin boosters aim to restore skin texture, firmness, hydration, and a natural glow.

Which Type Is Right for You?
Not all skin boosters are the same. The ingredient you need depends on the condition of your skin.
Hyaluronic Acid
A hydrating ingredient that replenishes moisture within the skin
Hyaluronic acid occurs naturally in the skin. With age, levels in the skin decline, and dryness and fine lines increase. Delivered as microinjections, hyaluronic acid draws water into the skin to keep it hydrated and helps improve texture and radiance.
PN (Polynucleotide)
A regenerative ingredient that supports skin repair
PN supports the skin's repair process after damage. By creating an environment in which the skin can recover on its own, it can help improve texture, firmness, and fine lines, and it is often used for sensitized skin. It is also widely used when the skin barrier is weakened, or for recovery after laser treatment.
Collagen
An ingredient that increases skin density
Collagen is the main structural protein behind skin firmness. From our twenties onward it steadily decreases, so the skin becomes thinner and loses firmness. A collagen-based skin booster can help increase skin density and create a firmer texture.
PDLLA (Poly-D,L-lactic Acid)
An ingredient that helps the skin build its own collagen
PDLLA stimulates new collagen production in the skin. Rather than filling the skin immediately, it works gradually, so the skin can feel firmer over time. It is often chosen by those who want to improve the appearance of pores, fine lines, and firmness.

Which Ingredient Is Best?
In fact, there is no single best ingredient. What matters more is what your skin is lacking right now.
If dryness is your concern | Hyaluronic acid |
If your skin has lost its ability to recover | PN |
If skin density has decreased | Collagen |
If loss of firmness is your concern | PDLLA |
Depending on the condition of your skin, one ingredient may be enough; when needed, combining two or more ingredients in stages can lead to more satisfying results.
Who Is a Good Candidate?
✔ Skin that feels dry and tight
✔ Fine lines that are becoming more noticeable
✔ Skin with enlarged pores or uneven texture
✔ Skin that feels less firm than before
✔ Skin that needs to recover after laser treatment
✔ Anyone who wants naturally younger-looking skin
Aftercare
Redness, small bruises or mild swelling can occur after treatment, but these usually resolve within a few days.
For recovery, generous moisturizing and sun protection are important, and on the day of treatment it is best to avoid alcohol, saunas, and strenuous exercise.
The right ingredient and injection depth also vary with the condition of your skin, so it is most important to plan treatment after a thorough consultation with an experienced medical team.
Frequently Asked Questions
Q. How are skin boosters different from fillers?
A. Fillers restore volume by filling in areas where volume has been lost. Skin boosters improve hydration, texture, firmness, and radiance across the skin as a whole. In other words, the focus is on making the skin itself healthier rather than changing the shape of the face.
Q. When will I see results?
A. With hyaluronic acid, you may notice improved hydration relatively quickly. PN, collagen, and PDLLA need time for the skin to repair itself and build collagen, so changes appear gradually over several weeks to a few months.
Q. Can I combine more than one type of skin booster?
A. Yes. In many cases, combining different ingredients to suit your skin can help improve hydration, texture and firmness together. Not everyone needs the same combination, though, so it is important to assess your skin accurately before planning treatment.
No Two Patients' Skin Needs the Same Thing
Dry skin and skin that has lost firmness need different treatment, and sensitive skin and aging skin call for different approaches as well. A good skin booster is not about using a well-known brand — it is about choosing the right ingredient for your skin.
At Songdo Human Dermatology, we assess hydration, firmness, skin thickness, sensitivity, and signs of aging, then build a personalized plan around the most suitable option — hyaluronic acid, PN, collagen, PDLLA, or a combination. Natural, healthy change in the skin begins with understanding the environment within it.
This content is general information about the skin booster treatments provided at Songdo Human Dermatology. Diagnosis and treatment are determined during an in-person examination, based on each patient's individual condition.


