How Often Should You Get Laser Treatment for Hyperpigmentation at a Dermatology Clinic? Is One Session Enough?

I thought it would

fade after just one session,

so why is the mark still there?

You may have felt discouraged when, despite having received treatment and applying supposedly effective skincare products, you looked in the mirror and saw the same mark still staring back at you, wondering, “Why hasn’t mine changed?”

I often meet patients in the consultation room who feel resigned when melasma and dark spots look even more noticeable after washing their face and wonder, “Is this simply the kind of skin I was born with?”

So today, I will explain step by step everything you need to know about the “intervals between laser treatments for hyperpigmentation at a dermatology clinic”—from why it is difficult to finish in a single session to how you can receive treatment effectively.

By the time you finish reading, your previously vague treatment plan should feel much clearer.

Those marks that keep showing through

are called hyperpigmentation

Hyperpigmentation refers to

marks that appear dark or brown

when melanin in the skin

becomes excessively concentrated

in one area.

When stimuli such as ultraviolet rays,

hormonal changes,

frequent friction, or inflammation

build up, our skin produces

more melanin

to protect itself.

Just as paper exposed to sunlight

for a long time turns yellow,

the skin also leaves behind

the traces of irritation

as discoloration.

This includes melasma, freckles,

dark spots, and even the brown marks

left behind after acne.

Although they may look similar

on the surface, their characteristics

can differ considerably depending

on whether the pigment is shallow

in the epidermis or has extended

deep into the dermis.

The principle of gently addressing

pigment in the skin with light

One of the most common ways

to address this type of pigmentation

is through light-based treatments

such as lasers and IPL.

The light is selectively absorbed

by melanin in the skin, breaking the pigment particles

into smaller pieces.

The fragmented pigment is then

naturally eliminated over time.

IPL uses a broad range of wavelengths

to address melasma, freckles,

dark spots, and even facial redness,

while laser toning uses a specific

wavelength to gently focus on

deeper pigmentation.

It is like sweeping a wide area first

and then cleaning the corners separately—

the treatment is selected according

to the condition of the skin.

That is why, when discussing

“intervals between laser treatments

for hyperpigmentation at a dermatology clinic,”

an important starting point is deciding

which type of light to use

and at what interval.

There is a reason treatment

does not end after one session

The question I am asked most often is,

“Is one session enough?”

To be honest,

most pigmentation is difficult

to remove completely

with a single treatment.

Because pigment is distributed

across several layers of the skin,

it is generally less stressful for the skin

to reduce it gently over multiple sessions

rather than breaking it up aggressively

all at once.

Treatment is therefore usually divided

into sessions spaced two to four weeks apart,

with the number of sessions varying

according to the depth and type

of pigmentation.

Shallow freckles or dark spots

in the epidermis may fade

after relatively few sessions,

whereas melasma that extends

deep into the dermis requires

more consistent care.

This is precisely why it is important

to allow sufficient time when planning

the “intervals between laser treatments

for hyperpigmentation at a dermatology clinic.”

Between treatments,

at-home care accounts for half the process

Care between treatments

is just as important as the treatment itself.

Immediately after laser treatment,

pigmentation may temporarily

look even darker.

This is a natural process in which

the fragmented pigment rises toward

the surface, and it usually fades

within one to two weeks.

The most important thing to pay attention

to during this period is sun protection.

If sunlight reaches the areas

where pigment has been reduced,

melanin may become active again,

so it is best to apply sunscreen

thoroughly before going outside.

For about a week after treatment,

avoid saunas, jjimjilbangs, and strenuous exercise,

and keep your skin sufficiently moisturized.

These small habits add up

and influence the overall outcome

of the “intervals between laser treatments

for hyperpigmentation at a dermatology clinic.”

FAQ: The director answers your questions directly

Q1. Is the treatment very painful?

A. IPL may feel like a light snap

from a rubber band,

while laser toning may cause

a prickling sensation and warmth.

Most people find it tolerable,

and if necessary, we can apply

numbing cream to reduce discomfort.

Q2. Is it okay to receive treatment in summer?

A. You can receive treatment,

but because ultraviolet rays are stronger

in summer, pigmentation can recur more easily.

By adjusting the treatment intensity

and being more diligent about sun protection,

you can receive care regardless

of the season.

Q3. Will it never come back after treatment?

A. Freckles and dark spots tend

to remain relatively stable after fading,

but melasma may become darker again

depending on hormones and ultraviolet exposure.

That is why we also recommend

consistent care after treatment.

Q4. When can I start wearing makeup?

A. Your skin is sensitive on the day

of treatment, so please avoid makeup.

You may wear it starting the next day.

Please use gentle products

along with sunscreen.

Together for longer, at a comfortable pace

I fully understand the desire

to look completely different

after a single treatment.

However, just as pigmentation

accumulates gradually over time,

reducing it is ultimately more comfortable

when we respect the skin’s pace

and move forward slowly.

이지함피부과 is a place where

we work together to create

a comfortable-looking face through

honest consultations and proven treatments,

rather than pursuing excessive change.

If the “intervals between laser treatments

for hyperpigmentation at a dermatology clinic”

have felt overwhelming, start by carefully

examining your skin condition and finding

the pace that suits you.

We will be your trusted companion

by your side for your skin

for a long time to come.

📍 Directions

5th Floor, Room 502, 429 Gangnam-daero,

Seocho-gu, Seoul

(Dongil Building, Seocho-dong) · Near Gangnam Station and Sinnonhyeon Station

📞 Telephone inquiries

02-567-5900

🕒 Hours

· Monday, Tuesday, Thursday, Friday: 10:00–19:00

· Saturday: 10:00–17:00

· Weekday lunch break: 13:00–14:30

· Closed on Wednesdays, Sundays, and public holidays

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