UV	ultraviolet
ECM	extracellular matrix
SCF	stem cell factor
bFGF	basic fibroblast growth factor
WIF-1	Wnt inhibitory factor-1
sFRP2	secreted frizzled-related protein 2
MITF	microphthlamia-associated transcription factor
D-PAS	periodic acid-Schiff-diastase
MMP	matrix metalloproteinase
VEGF	vascular endothelial growth factor
TGF-β	transforming growth factor-β
FGF-2	fibroblast growth factor-2
HQ	hydroquinone
TCC	triple combination cream
TXA	tranexamic acid
QSNYL	Q-switched neodymium-doped yttrium aluminum garnet laser