Human Dermatology Clinic, Seoul National University Branch

These days, when you look in the mirror,
don’t you sometimes feel
a little different than before?
It may not seem like anything has changed much,
but your skin may look duller than before,
or there may be more days when makeup
doesn’t sit as well as it used to.
Especially when the seasons change,
or when tired days keep piling up,
you may notice that your skin condition
easily breaks down.
At times like these, if you try to solve everything
with moisturizing products alone,
you often reach a limit.
You may hear a lot about the need for care
that nourishes the skin from within,
not just on the surface.
That is why recently,
more people have been taking an interest in
procedures like ‘Rejuran,’
which help boost the skin’s own recovery ability.

What is Rejuran?
Rejuran is not simply a procedure that adds volume,
but a regeneration-focused treatment
that helps enhance the skin’s own ability
to recover.
Its key ingredient, PN (polynucleotide),
extracted from salmon DNA,
improves the skin’s internal environment
and helps repair damaged tissue.
In simple terms, rather than filling the skin
from the outside,
you can think of it as a process that
restores the skin to a healthier state.
Because it promotes collagen production
and strengthens the skin barrier,
over time you may notice gradual improvements
in skin texture and elasticity.

If your skin is like this, Rejuran may be needed
Rejuran is not a procedure for a specific age group only;
it can be broadly helpful for people
who feel their skin condition has declined.
For example, it may be especially recommended
for those with more fine lines and reduced elasticity,
or for those whose skin has become thin and sensitive.
It may also help people who are concerned about
post-acne marks or minor scars,
and those whose skin texture is rough
and whose makeup tends to lift.
Because the goal is not to solve just one issue,
but to improve overall skin condition,
it is a good option to start when you feel
that your skin is “not what it used to be.”

Is one session enough for Rejuran?
Rather than expecting an immediate change
from just one session,
Rejuran is a treatment that aims for gradual improvement
through repeated care.
Usually, it is often performed three or more times
at regular intervals,
and then continued with maintenance sessions
to extend the results.
Since skin does not change overnight
but gradually recovers over time,
consistency is important.
At first, the skin texture may become smoother,
and later you may notice changes
such as improved elasticity and radiance.
So rather than rushing,
it is better to approach it as a way
to slowly restore your skin.

Why treatment by a board-certified dermatologist matters
Because Rejuran is a procedure that is
directly injected into the skin,
the practitioner’s experience and skill are very important.
Depending on skin thickness and condition,
the injection depth and amount must be adjusted,
and the approach must also differ by area.
After accurately assessing each person’s skin condition
through a board-certified dermatologist’s diagnosis,
proceeding with treatment can lead to
more natural and satisfying results.
Rather than simply getting the procedure,
setting up a plan that suits your skin
and managing it over time is the more important part.

Skin is not something that cannot recover
just because it has once become weakened.
With the right care and stimulation,
it can recover sufficiently.
What matters is properly understanding
your current skin condition
and approaching it with the right method.
Rejuran is a treatment that helps
restore skin to its original healthy state
rather than making dramatic changes.
That is why it can be a particularly good choice
for those who want skin that improves naturally.
If there is a moment when you feel
that your skin is not what it used to be,
that may be the very beginning of care.
Rather than excessive procedures,
find the direction that suits your skin,
and we recommend managing it slowly and consistently.
Human Dermatology Seoul National University Branch
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