Goyang Dermatology Review: NMN ETELLA + LDM for Glass Skin and Pore Firming

Since I work in the beauty industry,
I pay close attention to ingredients and what they actually do.

So when
NMN started coming up everywhere in skincare conversations lately,
I’d been keeping a close eye on it.

PDRN has already become
one of the trendiest anti-aging ingredients,
and now NMN is being added to the mix,
so in the world of slow aging and graceful skin maintenance,
it’s one of those ingredients people who are serious about skin
keep bringing up.

I’d also heard that
it was getting buzz as a celebrity skin booster
among American celebrities,
and that was enough to make me want to try it for myself.

My skin concerns & why I chose

ETELLA Skin Booster

I recently got back from a summer trip to Da Nang,
and my skin was definitely not the same afterward.

After washing my face, it felt tight deep down,
and the inner dryness was much more noticeable.
Even when I put on makeup, it kept separating and lifting,
and the pores around my butterfly zone looked visibly more stretched out.

My complexion also looked duller,
and that healthy glow I usually have had pretty much disappeared,
so I knew I couldn’t just leave it alone.

With inner dryness, enlarged pores, uneven tone, and lost radiance,
I didn’t want to treat just one issue.
I wanted something that could improve my overall skin condition at once.

It wasn’t just a simple case of
“my skin feels dry” or “I’m worried about pores.”
Every morning, the inner dryness was so noticeable
that by afternoon I was constantly reaching for facial mist, and it was honestly annoying.

So as soon as I got back from my trip,
I booked an appointment at a Goyang dermatology clinic just a few days later.

There happened to be a Goyang dermatology clinic near my office,
and when I found out they offered the NMN ETELLA treatment,
I booked it without much hesitation.

What is NMN?

Before getting the ETELLA skin booster,
I looked into NMN a little more carefully.

Our bodies contain something called NAD+,
which plays an important role in producing cellular energy
and helping repair damaged areas.
That’s what I found while researching it.

But as we age, our natural NAD+
levels gradually decline,
which can lead to reduced skin elasticity,

more fine lines, and a duller complexion—
all the changes we start noticing over time.
That’s probably why NAD+ is now showing up
in so many skincare products too.

NMN is known as a precursor to NAD+,
and because its molecular size is smaller than NAD+,
it may be delivered to the skin more efficiently.
That’s why it’s getting attention for supporting skin energy
and overall skin condition.

I also read that it may help protect damaged collagen
and support the density and thickness of the dermis,
which means it’s often associated with improved firmness,
smoother texture, and better hydration and glow.
After reading all that,

I could understand a lot better
why NMN keeps coming up lately
in conversations around slow aging and anti-aging skincare.

If your skin has been looking rough and less elastic,
or you want to improve tone and texture
at the same time,
NMN is definitely an ingredient
worth paying attention to.


NMN ETELLA product details & treatment process

The treatment I got was called
NMN ETELLA, a skin booster.

NMN is the main ingredient,
and it’s designed to target multiple concerns at once—
from skin energy to tone, texture, and elasticity.

In addition to a high concentration of NMN,
it also includes plant-derived exosomes
and plant-derived PDRN,
which they said work together for better synergy.

It contains roughly 75% high-content NMN,
which is meant to help restore the skin’s natural firmness
and vitality.

It also uses CPP technology,
which is supposed to improve ingredient delivery efficiency.

Because it comes in a freeze-dried powder format,
it’s packaged to maintain a high level of freshness and stability,
then opened right before the treatment
so the active ingredients can be delivered without degradation.

What I liked about ETELLA Skin Booster was that it’s positioned as an all-in-one treatment
that can address pores, breakouts, and skin tone
in one session.

It’s even described as a celebrity skin booster,
and the ingredient lineup felt strong enough
to make tone care and firmness care possible at the same time—
that was the biggest draw for me.

They opened it right in front of me,
and when they mixed solution 1 and solution 2,
it made about 4cc per set.

Even though it was 4cc,
the concentration was high enough that it didn’t feel lacking at all for one treatment.

The procedure I received at the Goyang dermatology clinic
was done using LDM ultrasound,
and it was completely painless.
It honestly felt more like getting a facial at an aesthetic spa,
so I could just lie back and relax.

Depending on the clinic, the method can vary—
some use MTS, some combine it with LDM—so it’s worth checking in advance.

Thanks to the fast absorption that LDM is known for,
they first helped the ETELLA formula absorb into my skin,
then applied a dedicated gel on top
to finish with an extra layer of hydration.

Right after the treatment & downtime

They finished everything off with a deeply hydrating modeling mask.

Honestly, because ETELLA was such an easy treatment,
I wondered whether it would really make much of a difference.

Right after the session,
I only noticed that my skin felt more hydrated,
so I didn’t see a dramatic change that same day.

But there was basically no downtime,
and it didn’t even look like I’d just been to the dermatologist.

There was no swelling or irritation, so I could go right back to my normal routine.

Changes after 3 days & after 1 week

Around day three,
even I could tell my skin condition
was starting to look noticeably better.

After cleansing, the deep tightness felt less intense,
and my skin had this soft, subtle glow
that made it look much closer to true glass skin.

My complexion looked clearer overall,
and the texture around my pores looked more refined than before.

More than anything,
my makeup sat better in the morning,
and my foundation adhered so much more smoothly—that was the biggest difference for me.

I’ve tried quite a few different
skin booster treatments over the years,
but it’s rare for me to see results this visible
and that glass skin effect
in just three days,
so yes, I was genuinely surprised.

I came away thinking
that getting it about once a month as maintenance
would be ideal.

Compared with getting multiple aesthetic facials,
one session of NMN ETELLA
honestly felt like a much better payoff.

Who I’d recommend it for

If your skin feels sensitized from sun exposure
and you’ve noticed a loss of firmness,

or your makeup keeps lifting and your inner dryness is getting worse,
I think this is absolutely a treatment worth considering.

If you’re a bride-to-be or have an important event or appointment coming up,
I’d recommend getting it about three days in advance.

After one week,

if you want to start slow aging skincare
without worrying about downtime,

or if your skin feels deeply dehydrated
and needs a real boost of moisture, this could be a great fit.

If you’ve been nervous about hand-injected skin boosters
because of pain or side effects,
this felt like a much easier option to try without that fear.

This NMN ETELLA skin booster
made such a clear difference in my overall skin condition
that I’d genuinely recommend it to people around me
without hesitation.

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