Skin Research and Technology,
Journal Year:
2023,
Volume and Issue:
29(12)
Published: Dec. 1, 2023
To
the
Editor,
In
women
in
their
30s/40s
with
darker
phototypes
is
more
common
to
find
melasma.
It
an
acquired
hypermelanotic
pathology
that
appears
as
irregular,
light-
dark-brown-coloured
macules
on
sun-exposed
skin,
especially
face.1,
2
The
most
treatments
are
chemical
peels,
lasers,
topical
and
oral
medications.3
goal
of
laser
therapy
target
a
particular
chromophore
absorbs
laser's
wavelength
specific
manner
while
minimising
collateral
tissue
damage,
according
selective
photothermolysis
theory.4
Specifically,
picosecond
lasers
use
pulse
lengths
much
less
than
target's
thermal
relaxation
period
achieve
higher
peak
temperature
without
inflicting
damage
surrounding
tissues.
Because
this,
785-nm
offers
superior
safety
profile
compared
other
types.5
our
experience,
12
Egyptian
were
treated
for
facial
They
presented
Fitzpatrick
ranging
from
IV
(66.7%)
V
(33.3%).
27
42
years
old.
A
785
nm
handpiece
pumped
by
QS
(El.En
Group,
Florence,
Italy)
possibility
adding
contact
sensor
was
utilised.
spot
size
ranged
6
mm,
fluence
0.4–2
J/cm2,
frequency
1
5
Hz.
Two
or
three
passes
made
until
lesion
turned
white.
Four
performed,
separated
40/45
days,
skin
healed
completely
first
treatment.
As
part
home
therapy,
whitening
cream
tranexamic
acid
also
applied.
Three
months
after
last
treatment,
final
evaluation
follow-up
visits
took
place.
5-point
(0-4)
scale—Global
Aesthetic
International
Score,
GAIS
(from
No
change/Worsening
Excellent
improvement)
implied
evaluate
general
area
improvement.
medical
study
staff
performed
assessed
17%
patients
obtained
improvements,
50%
Good
Moderate
5%
Mild
improvements
results.
Moreover,
at
3-month
(FU)
patients'
comfort/satisfaction
evaluated
5-Point
Likert
Scale
Questionnaire
(0
=
worse;
4
very
satisfied).
mean
value
this
data
2.4
±
1.5.
Dermoscopic
(DermLite
III
Pro;
3Gen,
CA,
USA)
baseline
12-week
FU
detect
pigmentation
pattern
(unpatterned,
reticuloglobular,
pseudoreticular/arcuate
honeycomb,
dots/granular)
vascular
(presence
absence
telangiectasia)
melasma
lesion.
Some
examples
cases
3
reported
Figures
1-3.
whole
population
confirmed
near-complete
resolution
melasma,
no
adverse
effects
conclusion,
we
proposed
time
application
emitting
device
treating
pigmentary
symptoms
phototypes.
Indeed,
it
used
based
its
low
affinity
component
so
little
post-inflammatory
effects.
This
due
high
melanin
characteristic
anatomical
capillary
structure,
supporting
could
lower
risk
streamline
post-treatment
maintenance.
support
findings
available
request
corresponding
author.
not
publicly
privacy
ethical
restrictions.
American Journal of Clinical Dermatology,
Journal Year:
2024,
Volume and Issue:
25(5), P. 717 - 733
Published: June 19, 2024
Melasma
is
a
chronic,
acquired
disorder
of
focal
hypermelanosis
that
carries
significant
psychosocial
impact
and
challenging
for
both
the
patient
treating
practitioner
to
manage
in
medium
long
term.
Multiple
treatments
have
been
explored,
often
combination
given
many
aetiological
factors
involved
its
pathogenesis.
Therapeutic
discoveries
treat
melasma
are
topic
literature
include
range
modalities,
with
recent
developments
including
updates
on
visible
light
photoprotection,
non-hydroquinone
depigmenting
agents,
oral
tranexamic
acid,
chemical
peels,
laser
energy-based
device
therapy
melasma.
It
increasingly
important
yet
remain
up-to-date
arsenal
available
find
an
efficacious
well-tolerated
option
our
patients.
Skin Research and Technology,
Journal Year:
2024,
Volume and Issue:
30(3)
Published: March 1, 2024
Abstract
Introduction
Dark
under‐eye
circles
or
periorbital
hyperpigmentation
constitute
a
prevalent
and
challenging
cosmetic
problem
with
diverse
etiologies
types.
While
modifying
exacerbating
habits
can
provide
partial
relief
for
the
pigmentary
vascular
factors
associated
this
condition,
despite
abundance
of
available
treatment
options,
there
is
currently
lack
gold‐standard
evidence‐based
treatments
proposed
curing
disorder.
Objectives
This
study
aimed
to
assess
safety
effectiveness
carboxytherapy
in
treating
hyperpigmentation.
Material
Methods
In
4‐week
single‐arm
clinical
trial,
20
eligible
Iranian
patients
symmetric
received
weekly
intradermal
carboxytherapy.
The
involved
administering
10–20
mL
CO2
at
rate
mL/min
temperature
15°C
duration
ranging
from
few
seconds
1
min.
Follow‐up
assessments
were
conducted
month
after
final
session.
primary
outcome
was
defined
as
changes
ΔE
variations
pigmentation
observed
between
orbital
extra‐orbital
skin
before
trial.
Results
reported
satisfaction
statistically
significant
reduction
achieved
through
lateral
(
p
=
0.002),
middle
0.001),
medial
0.001)
regions
area.
total
response
estimated
20%.
Patient
exceeded
changes,
no
linear
relationship
0.084).
Conclusion
Carboxytherapy
be
an
effective
safe
Skin Research and Technology,
Journal Year:
2023,
Volume and Issue:
29(8)
Published: Aug. 1, 2023
Melasma
is
an
acquired
skin
problem.
It
characterises
sun-exposed
areas,
particularly
on
the
face,
with
irregular
borders
and
bilateral
distribution.
With
this
study,
we
want
to
strengthen
scientific
literature
regarding
use
of
a
675-nm
laser
device
for
treatment
women
men
facial
melasma
pigmentary
vascular
symptoms.
Photobiomodulation Photomedicine and Laser Surgery,
Journal Year:
2025,
Volume and Issue:
43(3), P. 90 - 95
Published: Feb. 3, 2025
Background:
Melasma
therapy
can
be
difficult
and
requires
employing
different
treatment
approaches.
Laser
is
a
good
alternative
for
treating
melasma,
especially
patients
with
refractory
cases.
Objective:
To
evaluate
the
efficacy
safety
of
newcomer
wavelength
675
nm
diode
laser
in
melasma
darker
skin
types.
Methods:
Nineteen
female
facial
were
recruited.
They
received
four
sessions
at
one-month
intervals
using
following
parameters:
power
5-6
W,
pulse
duration
100-150
ms,
spacing
2000
mm,
stack
one
up
to
4
passes.
One
month
after
last
session,
evaluation
was
done
subjectively
through
modified
area
severity
index
(mMASI)
score
objectively
Antera
3D
camera.
Results:
After
treatment,
there
highly
statistically
significant
reduction
mMASI
scores.
In
addition,
scores
on
camera
recorded
differences
treated
areas'
melanin
hemoglobin
average
levels.
Conclusion:
The
novel
represents
safe
efficient
approach
phototype
patients.
Journal of Cosmetic Dermatology,
Journal Year:
2025,
Volume and Issue:
24(3)
Published: March 1, 2025
ABSTRACT
Background
Acquired
dermal
melanocytosis
(ADM)
is
a
pigmentary
lesion
caused
by
melanocytes
in
the
dermis.
These
conditions
are
refractory,
and
consensus
on
treatment
remains
elusive.
Aims
To
compare
efficacy
of
730‐
1064‐nm
picosecond
lasers
ADM
to
supplement
comparison
with
literature
review.
Patients:
We
retrospectively
examined
patients
who
underwent
laser
therapy
between
April
2021
February
2024.
Treatments
were
performed
three
times
spot
irradiation
using
730‐nm
(3‐mm
spot,
1.7–1.8
J/cm
2
;
or
2‐mm
2.5–3.25
)
3.1–4.0
).
Two
months
after
each
procedure,
patient
satisfaction
was
evaluated
questionnaires,
macroscopic
findings
assessed
photographs,
melanin
accumulation
analyzed
skin
analysis
software.
Evaluations
conducted
4‐point
scale
(excellent,
good,
fair,
poor),
good
higher
considered
effective.
Results
Seventy‐eight
83
assigned
groups,
respectively.
After
sessions,
group
exhibited
superior
outcomes
terms
subjective
symptoms
(patient
satisfaction),
objective
findings,
software
improvements.
The
incidence
hyperpigmentation
15.4%
14.5%
group,
no
significant
differences
observed
rates
other
complications.
Conclusions
use
laser,
which
possesses
high
selectivity,
relatively
deep
penetration,
short
pulse
width,
suggests
potentially
more
effective
for
ADM,
compared
effects
conventional
wavelength,
without
increasing
Journal of Cosmetic Dermatology,
Journal Year:
2025,
Volume and Issue:
24(4)
Published: April 1, 2025
ABSTRACT
Background
Facial
hyperpigmentation
due
to
sun
damage,
post‐inflammatory
hyperpigmentation,
and
other
factors
is
a
common
complaint
of
patients.
While
lasers
topical
treatments
are
frequently
used
manage
standardized
way
measuring
response
treatment
difficult.
Aims
The
Kesty
Hyperpigmentation
Scale
(KHS)
novel
clinical
instrument
created
provide
consistent
approach
for
evaluating
facial
in
both
cosmetic
dermatology
broader
medical
settings.
Methods
This
study
introduces
the
KHS,
describes
process
its
creation
validation,
examines
practical
uses
Statistical
analysis
included
Gwet's
AC2,
Kendall's
W
,
Spearman's
ρ
/rho,
weighted
Cohen's
kappa,
Bland–Altman
analysis.
Results
findings
statistical
high
ordinal
agreement,
strong
rank
concordance,
minimal
bias.
supports
conclusion
that
rating
reliable
valid
assessing
skin
on
given
0–3
scale.
KHS
offers
an
objective
framework
measure
severity
helping
clinicians
track
patient
progress
after
treatments,
fostering
improved
communication
with
Participants
this
found
scale
be
user‐friendly,
majority
expressed
interest
incorporating
it
into
their
practices
document
conditions.
Conclusions
effective
user‐friendly
tool
addressing
significant
need
within
dermatology.
Skin Research and Technology,
Journal Year:
2023,
Volume and Issue:
29(10)
Published: Oct. 1, 2023
Abstract
Background
Noninvasive
skin
rejuvenation
treatment
is
growing
in
recognition
to
aesthetic
medicine.
Aim
The
objective
of
the
study
was
assess
efficacy
and
safety
675‐nm
laser
source
photodamaged
hands.
Materials
methods
included
21
patients
(6
males
15
females)
with
a
mean
age
63
(±
9)
years.
Patients
were
treated
—two
three
sessions
1‐month
interval
between
sessions.
Photos
each
patient
collected
at
baseline,
3
months
after
last
session.
5‐point
Global
Aesthetic
Improvement
Scale
(GAIS)
recorded
their
final
assessment
session
(3
months).
Results
total
GAIS
scores
showed
satisfactory
results:
(71%)
experienced
4
score
(excellent
improvement)
changes
6
(29%)
(good
changes.
Clinical
images
good
visible
results
for
management
skin.
No
serious
adverse
effects
recorded.
Conclusion
This
demonstrates
improvement
pigmentation
texture
Skin Research and Technology,
Journal Year:
2024,
Volume and Issue:
30(5)
Published: May 1, 2024
Dear
Editor,
Melasma,
predominantly
affecting
darker
skin
types,
especially
those
within
Fitzpatrick
phototypes
IV-V.1
The
treatment
approach
is
further
complicated
by
high
recurrence
rates
and
the
significant
impact
melasma
can
have
on
patients'
quality
of
life.2
Laser
treatments
are
a
component
in
management
melasma,
they
generally
considered
as
second-line
following
first-line
use
topical
therapies.
Many
studies
suggests
that
low-fluence
Q-switched
Nd:YAG
picosecond
laser
highlighted
potentially
effective
option
this
condition
when
combined
with
other
treatments.3
However,
there
higher
risk
post-inflammatory
hyperpigmentation
(PIH)
light
treatments.
Therefore,
these
should
be
used
caution
therapy
after
treatments.3,
4
A
new
non-ablative
wavelength
675
nm
has
been
found
to
significantly
improve
patients
which
histologically
preclinical
shown
presence
selective
damage
melanin-rich
areas.5,
6
aim
article
present
outcomes
types
IV-V
melasma.
By
exploring
efficacy
through
clinical
cases,
we
seek
contribute
limited
pool
for
color
provide
insights
into
potential
specific
managing
minimal
adverse
effects.
This
prospective
case
series
involved
three
Indonesian
female
Skin
Types
IV-V,
presenting
facial
Exclusion
criteria
included
hypersensitivity
light,
photosensitizing
agents,
seizure
disorders
triggered
pregnancy,
personal
or
family
history
cancer,
recent
sun
exposure,
tattoos
treated
areas,
any
previous
2
months.
system
(RedTouch,
Deka
M.E.L.A.,
Calenzano,
Italy)
study,
was
specifically
chosen
its
effectiveness
targeting
melanin
stimulating
collagen
remodeling.7
equipped
scanning
shapes
square
it
adjustable
parameters:
power,
time
exposure
(dwell
time),
spot
spacing,
an
integrated
cooling
feature
maintained
at
5°C.
Before
each
session,
faces
were
cleansed
mild
soap
water.
energy
adjusted
according
patient's
type
tolerance,
determined
test
area.
endpoint
erythema
oedema,
observable
5–10
min.
Each
patient
underwent
sessions,
spaced
1
month
apart.
parameters
power
(5–7
W),
dwell
(150
ms),
spacing
(2500
µm),
stack
(5°C).
transparent
conductive
gel
administer
treatment.
During
treatment,
handpiece
passed
over
surface
contact
mode,
ensuring
consecutive
spots
without
overlapping.
Topical
anesthesia
optional
and,
if
used,
thoroughly
removed
before
After
cooled
cold
water-soaked
gauzes.
nonsteroidal
anti-inflammatory
cream
containing
vitamin
B12
applied
twice
daily
weeks.
Patients
instructed
total
block
mineral
sunscreen
throughout
follow-up
period.
primary
outcome
change
severity,
assessed
using
modified
Melasma
Area
Severity
Index
(mMASI)
scores.
Scores
recorded
start
3
months
last
session.
Digital
photographs
analyzer
(Janus,
PIE,
Gyeonggi-do,
South
Korea)
taken
visually
document
changes.
safety
profile
evaluated
monitoring
appearance
side
effects,
including
erythematous
reactions,
blistering,
scarring,
burns,
hypopigmentation,
hyperpigmentation.
(Figures
1,
2,
3)
showed
noticeable
improvement
photographic
evidence
consistent
quantitative
mMASI
score
reductions,
confirming
treatment's
effectiveness.
Throughout
study
duration,
no
serious
effects
reported,
treating
IV-V.
Minor
transient
erythema,
resolved
intervention.
No
instances
observed.
line
expectations
settings.
An
informal
assessment
satisfaction
indicated
levels
outcomes.
reported
improvements
their
expressed
ease
comfort
process.
absence
downtime
contributed
overall
positive
experience.
demonstrates
types.
Studies
pigmentary
improvements,
marking
condition.8
aligns
observed
involving
where
notable
lesions
documented.
reduction
scores
across
all
cases
underscores
laser's
addressing
hyperpigmentation.
Additionally,
corroborated
research
highlighting
low
interaction
hemoglobin,
thereby
minimizing
risks
associated
such
types.6,
9
Red-spectrum
emission
effectively
targets
fibers,
showing
strong
affinity
chromophores.
In
contrast,
interacts
minimally
vascular
chromophore.10
Histologically,
induce
remodeling
collagen,
promoting
proliferation
fibers.
plays
crucial
role
pivotal
hyperpigmentation.5,
not
superficial
but
extends
substantial
dermal
changes,
evidenced
increased
production
rearrangement
areas
compared
untreated
ones.
Such
histological
provides
deeper
understanding
mechanism
action,
contributing
melasma.9
While
promising,
considerations
regarding
protocols
crucial.
Adjustments
careful
essential
cater
individual
needs
minimize
hyperpigmentation,
types.6,
7
Furthermore,
feedback
well
downtime,
positively
experience.
presents
promising
referenced
indicate
enhanced
appearance.
Importantly,
well-suited
reducing
initial
results
encouraging,
ongoing
larger-scale
validate
findings
optimize
broader
application
long-term
individuals
type.
Conceptualization,
Ruri
D.
Pamela,
Massimo
DF.
Vitale,
Kyu-Ho
Yi;
methodology,
software,
validation,
Yi,
Tiziano
Zingoni;
formal
analysis,
investigation,
re-sources,
data
curation,
writing—original
draft
preparation
writing—review
editing,
Zingoni,
Irene
Fusco;
visualization,
supervision,
project
administration,
funding
acquisition,
All
authors
read
agreed
published
version
manuscript.
Authors
T.Z.
I.F.
employed
El.En.
Group.
remaining
confirm
commercial
financial
relationships
could
construed
conflict
interest
existed
during
research.
accordance
Declaration
Helsinki
Ethical
Principles
Medical
Research
human
subjects.
approval
necessary
device
already
CE
marked
since
2019.
Skin Research and Technology,
Journal Year:
2024,
Volume and Issue:
30(9)
Published: Aug. 29, 2024
Abstract
Background
Laser
technology
is
a
viable
therapeutic
option
for
treating
number
of
skin
pathologic
conditions,
including
pigmented
lesions,
vascular
lesions
and
acne
scars.
Aim
In
this
work,
through
in
vitro
clinical
investigations
we
test
the
efficacy,
safety
speed
treatment
high‐powered
laser
system
emitting
675‐nm
management
various
condition.
Materials
methods
experiments
were
performed
irradiating
adult
human
dermal
fibroblasts
cells
(HDFa)
with
24,
48
72
h
different
fluences
Ki‐67
+
counted.
The
confocal
microscopy
images
control
treated
samples
acquired.
Clinical
rejuvenation/diseases
treatments
675
nm
device
parameters
11
patients
5
scars
23
rejuvenation.
Data
evaluated
validated
global
score
using
5‐point
scales
(GAIS)
patient's
satisfaction
scale.
Results
application
high‐power
has
proven
effective
stimulating
cell
proliferation
it
led
to
good
results
all
pathologies.
GAIS
showed
values
between
3
4
points
pathologies,
scores
‘75%‐good
improvements’
‘100%‐excellent
improvements’.
time
was
reduced
by
50%
compared
old
setting,
resulting
faster
satisfying
technique.
No
serious
adverse
effects
recorded.
Conclusion:
preclinical
data
confirm
efficacy
several