The Effectiveness of Light Emitting Diodes with 592 nm Yellow Light for Korean Photoaged Skin / 대한피부과학회지
Korean Journal of Dermatology
;
: 677-683, 2015.
Article
in Korean
| WPRIM
| ID: wpr-71363
ABSTRACT
BACKGROUND:
As aging occurs, the skin develops more wrinkles and pigmentation, becomes drier, and loses its elasticity. In previous reports, light-emitting diode (LED) phototherapy was proven to stimulate collagen synthesis and accelerate fibroblast-myofibroblast transformation, which has a composite rejuvenation effect.OBJECTIVE:
To evaluate the effectiveness and safety of LED phototherapy with 592 nm yellow light for photoaged skin.METHODS:
Forty patients with photoaged skin (Korean photographic scale; grade 4approximately7) were enrolled and treated with an LED device producing 592+/-10 nm yellow light for 5 minutes twice a week for 4 weeks. The skin changes were assessed at 0, 2, 4, and 8 weeks by clinical photographs and the Cutometer(R) & Mexameter(R) (MPA 580, Courage+Khazaka Electronic GmbH, Koln, Germany). Measurements were made on the cheek, periorbital area, nasolabial fold, and glabella.RESULTS:
At the final visit at 8 weeks, the Cutometer(R) parameters R4 and R6 decreased significantly compared to before treatment, from 0.118 to 0.099 for the periorbital (p=0.017) and 0.517 to 0.425 for the nasolabial fold (p=0.003). The average melanin index decreased significantly, from 133.65 to 124.55 (p<0.005). Fine improvement of wrinkles was shown grossly by reviewing follow-up clinical photographs. No adverse reactions occurred. LED phototherapy with 592+/-10 nm wavelength can be effective and safe in the treatment of photoaged skin.CONCLUSION:
The findings suggest the LED with 592 nm yellow light might be an adjuvant therapeutic tool for photoaged skin.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Phototherapy
/
Rejuvenation
/
Skin
/
Aging
/
Pigmentation
/
Cheek
/
Follow-Up Studies
/
Collagen
/
Elasticity
/
Nasolabial Fold
Type of study:
Observational study
/
Prognostic study
Limits:
Humans
Language:
Korean
Journal:
Korean Journal of Dermatology
Year:
2015
Type:
Article
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