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Why Should You Get Hair Removal Now? A Complete Guide to GentleMax Pro Plus Effects, Sessions, and Wavelength Differences

Hongdae Dermatology Skin Clinic 弘大美丽石医院 · ✦뷰티스톤의원 합정역✦ · April 15, 2026

Hello. This is Beauty's Doctor, Wi Young-jin. ​ ​ Among those considering hair removal, “Why do people say to do it in winter?” “Is the difference between devices really that big?”...

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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: April 15, 2026

Translated at: April 19, 2026 at 1:28 PM

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

Why Should You Get Hair Removal Now? A Complete Guide to GentleMax Pro Plus Effects, Sessions, and Wavelength Differences image 1

Hello.

This is Beauty's Doctor, Wi Young-jin.

Among those considering hair removal,

“Why do people say to do it in winter?”

“Is the difference between devices really that big?”

Many people have these questions.

In particular, laser hair removal is

not simply a procedure to remove hair,

but one that requires considering

cycle, wavelength, and skin condition

all together.

So today,

based on GentleMax Pro Plus,

I will explain the key Q&A about hair removal

in a way that is a little easier to understand.

Why Should You Get Hair Removal Now? A Complete Guide to GentleMax Pro Plus Effects, Sessions, and Wavelength Differences image 2

Why is winter hair removal effective?

Winter hair removal is

actually one of the more effective seasons.

The reason is simpler than you might think.

As your skin tone becomes lighter than in summer,

laser response improves,

and because there is less UV exposure,

the risk of post-procedure pigmentation is reduced.

Also, in environments with lower temperatures

and drier skin,

inflammatory reactions themselves

tend to occur less often.

So if you want to get ready for next summer

with a cleaner result,

starting in winter is

the most efficient choice.

755nm vs 1064nm, what’s the difference?

This is not a tip or a difference in the device,

but a difference in “laser wavelength.”

755nm has a high melanin absorption rate,

so it is effective for thin, relatively shallow hair.

In contrast, 1064nm

penetrates deeper into the skin

and works on thick, deep hair.

In particular, for deep and strong follicles

such as men’s beards,

1064nm is more suitable.

Because GentleMax Pro Plus can use

both of these wavelengths

in one device,

it allows customized treatment.

I’ve had 10 hair removal sessions, so why is hair still growing?

This is a normal process.

Hair repeats a cycle of

growth phase → regression phase → resting phase,

and laser responds well only to hairs in the growth phase.

The problem is that not all hairs are

in the growth phase at the same time.

So hair removal is carried out by repeating sessions

and gradually reducing density.

Usually, after 10 or more sessions,

people start to feel that hair is “almost not growing,”

and after about 15 sessions,

it often decreases to just one or two strands.

Is it really “permanent hair removal”?

If you look at individual hairs,

it is correct to say they are permanently removed.

However, when looking at all hair overall,

you can think of the density as decreasing

by about 20% at a time.

So as time passes,

some very fine hairs may appear again,

and in that case,

1 to 2 additional maintenance sessions are performed.

Does the effect decrease over time?

Hair removal should be viewed not as a “count” concept,

but as a “ratio” concept.

For example,

it goes from 100 hairs to 10 fewer,

and from 10 hairs to 1 fewer.

So,

in the beginning the effect feels large,

and as time goes on,

the changes may feel slower,

which is a normal pattern.

Why do many people start hair removal in winter?

Winter is the season

when the risk of pigmentation

and the possibility of erythema

are both lowest.

Also,

because you can create a state with much less hair

before spring and summer arrive,

it is also the most efficient timing.

Why the device matters for hair removal

Why Should You Get Hair Removal Now? A Complete Guide to GentleMax Pro Plus Effects, Sessions, and Wavelength Differences image 3

Laser hair removal is

not something where “a good device is enough.”

However, there are definitely differences

in device performance.

The biggest differences are

output stability and the cooling system.

GentleMax Pro Plus uses dual wavelengths (755 + 1064),

delivers output quickly and deeply,

and the DCD cooling system

helps reduce pain and the risk of burns.

It also allows precise adjustment of energy

to match skin tone and hair condition.

Why choosing the right clinic matters

Why Should You Get Hair Removal Now? A Complete Guide to GentleMax Pro Plus Effects, Sessions, and Wavelength Differences image 4

Laser hair removal is a procedure

whose results can vary greatly depending on the settings.

Even with the same device,

energy intensity

irradiation speed

overlap interval

all of these factors

affect the result.

Problems such as burns, pigmentation, and insufficient effectiveness

mostly arise from poor setting control.

So rather than the device alone,

treatment experience and know-how

are much more important factors.

Why energy values differ by area

Hair removal must be approached

differently depending on the area.

For example, the underarms have

relatively shallow hair,

so treatment is often performed mainly

with the 755 wavelength,

while deep, thick hair such as men’s beards

is treated with 1064nm

using stronger energy.

Also,

skin tone,

recent UV exposure,

and treatment interval

all of these factors

mean the energy value is adjusted each time.

The core principle of the dual-wavelength system

The key point of GentleMax Pro Plus is

that it selects between two wavelengths

depending on the situation.

755nm

has excellent melanin absorption,

so it is effective for removing thin hair,

and

1064nm

reaches deep follicles,

which makes it advantageous for removing thick hair.

Because both can be used

in one device,

precise hair removal tailored to skin type

and hair condition is possible.

Laser hair removal is

not simply a procedure to remove hair,

but a process that considers

cycle, wavelength, and energy adjustment

all together.

So,

while choosing the device is important,

what matters even more is

a treatment method designed to fit the individual.

Thank you for reading this long post.

This was Wi Young-jin.

Why Should You Get Hair Removal Now? A Complete Guide to GentleMax Pro Plus Effects, Sessions, and Wavelength Differences image 5

Why Should You Get Hair Removal Now? A Complete Guide to GentleMax Pro Plus Effects, Sessions, and Wavelength Differences image 6

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