Abstract
Skin aging is associated with changes that include atrophy, pigmentation, decreased ability for wound healing, and rhytides. Recently, there has been growing research interest and consumer demand for minimally invasive cosmetic procedures involving light and energy-based devices, particularly for facial skin rejuvenation. Light emitting diode (LED) phototherapy is a promising treatment modality for photorejuvenation as it is safe, noninvasive, accessible, and can be easily combined with other treatment options. LED irradiation alters intrinsic cellular activity via absorption by chromophores located in the skin and may result in desirable photorejuvenation effects. In this review, we discuss the physiologic process of cutaneous aging, how visible light phototherapy with LEDs may be used to treat aging skin, and the importance of photoprotection. J Drugs Dermatol. 2020;19(4):359-364. doi:10.36849/JDD.2020.4711.
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