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Radiesse Effects: Know Your Collagen Injection Properly, Including Side Effects and Pain

Hongdae Dermatology Skin Clinic 弘大美丽石医院 · ✦뷰티스톤의원 합정역✦ · March 23, 2026

Hello. This is Dr. Kim Jang-ju. ​ ​ While looking into the effects of Radiesse and Radiesse collagen injections, ​ I’m sure some of you have found the information so similar that i...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: Hongdae Dermatology Skin Clinic 弘大美丽石医院

Original post date: March 23, 2026

Translated at: April 19, 2026 at 9:46 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Radiesse Effects: Know Your Collagen Injection Properly, Including Side Effects and Pain image 1

Hello.

This is Dr. Kim Jang-ju.

While looking into the effects of Radiesse

and Radiesse collagen injections,

I’m sure some of you have found the information so similar

that it only became more confusing.

People say the effects are good,

but it’s hard to find a clear answer

about whether it is right for you,

whether there are side effects,

and how much pain to expect.

So today,

I’ll organize the key points

in a little more depth

so nothing important gets missed,

but in a way that is easy to understand.

After reading this,

you should naturally be able to judge

whether this procedure is right for you.

Areas where Radiesse works especially well

Radiesse Effects: Know Your Collagen Injection Properly, Including Side Effects and Pain image 2

Why it stands out on the backs of the hands and neck wrinkles

Wrinkles often appear more clearly

on the neck and backs of the hands

than on the face.

These areas have thin skin,

less subcutaneous fat,

and blood vessels that show through easily.

In other words,

even a small loss of volume

can make the area look much older.

At this time, the effect of Radiesse is not simply to “fill,”

but to work in a way that improves

the structure of the skin itself.

🔹 Reduces prominent blood vessels on the backs of the hands 🔹 Improves thinning skin thickness 🔹 Improves both horizontal and vertical neck wrinkles 🔹 Induces collagen production → increases skin density

Especially if the skin is thin

and elasticity has decreased significantly,

Radiesse is often more suitable

than a general filler.

That is because it is a fundamental approach

that makes the skin “plump up” again,

rather than simply adding volume.

Radiesse vs. filler

Radiesse Effects: Know Your Collagen Injection Properly, Including Side Effects and Pain image 3

Immediate volume vs. gradual improvement

Hyaluronic acid filler has the advantage

of delivering immediate results,

with volume appearing right after injection.

However,

in areas with a lot of movement,

it can sometimes look unnatural

or be noticeable.

On the other hand, Radiesse

uses CaHA (calcium hydroxylapatite)

to induce collagen production.

In other words,

as time passes,

it creates a response in which your own skin gradually fills out.

✔ If you want immediate filling → filler ✔ If you want a natural improvement → Radiesse

In particular,

for areas where it can be easy to notice, such as the neck, backs of the hands, and around the nasolabial folds,

the advantages of Radiesse become even more apparent.

Radiesse side effects and pain

As with all injectable procedures,

Radiesse also carries the possibility of side effects.

Common examples include

⚠ Bruising ⚠ Swelling ⚠ Nodules (a lump-like feeling) ⚠ Temporary stiffness

These reactions

usually improve naturally within 1 to 2 weeks.

However,

if the injection depth is not correct

or it does not spread evenly,

an uneven result may remain.

That is why

“how it is injected”

matters much more

than “which product is used.”

Pain also varies from person to person,

but it can be sufficiently managed depending on

whether anesthesia is used,

the injection speed,

and the practitioner’s skill.

Key points of the Radiesse procedure

Radiesse Effects: Know Your Collagen Injection Properly, Including Side Effects and Pain image 4

Hydration (dilution) method + skill level

If Radiesse is used as-is,

the product has a thick, firm texture.

Injecting it in this state

makes nodules or a foreign-body sensation

more likely to occur.

That is why experienced medical professionals

mix it with saline

and use a “hydration (dilution)” method.

The advantages of this method are clear.

🔹 Spreads evenly throughout the skin 🔹 Improves skin texture naturally 🔹 Reduces foreign-body sensation 🔹 Creates volume without being noticeable

However, what matters here is not

“how much it is diluted,”

but how it is designed.

The dilution ratio,

injection depth,

and distribution design

can completely change the result.

In other words,

Radiesse is a high-difficulty procedure

with results that can vary greatly depending on

the practitioner’s experience.

Can Radiesse effects be applied to the face too?

Many people ask,

“Isn’t this a procedure only for the neck or backs of the hands?”

To answer first:

it can definitely be applied to the face as well.

In particular,

it is suitable when you want subtle correction

without overfilling,

such as for

🔹 Hollow cheeks 🔹 Hallowing next to the nasolabial folds 🔹 Temple area 🔹 Refining the jawline

Because Radiesse produces collagen

inside the skin over time,

it does not create volume that stands out on the surface,

but instead has the feature of changing naturally

“as if the skin had always been in good condition.”

That is why it is especially satisfying

for people who find the look of excessive filler burdensome.

To summarize

🔹 Radiesse is an injection that induces collagen production.

🔹 It works especially well in thin areas such as the neck and backs of the hands.

🔹 It can improve volume naturally and without a foreign-body sensation.

🔹 The hydration method and the practitioner’s experience determine the result.

🔹 Over time, it shows a more natural change.

Radiesse collagen injection

is a procedure worth considering for those who want to look better without it being obvious.

However,

even with the same product,

the result can vary greatly depending on

how it is performed.

The dilution ratio,

the injection depth,

and even the design all need to be considered,

so it is important to leave it to an experienced medical professional.

Please keep in mind

that this is the most important point.

Thank you for reading.

This was Kim Jang-ju.

Radiesse Effects: Know Your Collagen Injection Properly, Including Side Effects and Pain image 5

Radiesse Effects: Know Your Collagen Injection Properly, Including Side Effects and Pain image 6

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