UVR	Ultraviolet radiation
UV	Ultraviolet
UVB	Ultraviolet B
UVA	Ultraviolet A
VL	Visible light
EDN-1	Endothelin-1
mSCF	Membrane-bound stem cell factor
PGE2	Prostaglandin E2
KGF	Keratinocyte growth factor
HGF	Hepatocyte growth factor
VitD	Vitamin D
ANG	Angiopoietin
ET1	Endothelin 1
TYR	Tyrosinase
MITF	Microphthalmia-associated transcription factor
TYRP1	Tyrosinase- related protein 1
TYRP2	Tyrosinase- related protein 2
L-DOPA	L-3, 4-dihydroxyphenylalanine
DHI	5, 6-dihydroxyindoles
DHICA	5,6-dihydroxyindole-2-carboxylic acid
PI3K	Phosphatidylinositol 3-kinase
cAMP	Cyclic adenosine monophosphate
PKA	protein kinase A
MAPK	Mitogen-activated protein kinase
MLPH	Melanophilin
Rab27a	Ras-related protein
Myo Va	Myosin Va
ROS	Reactive oxygen species
PIH	Post-inflammatory pigmentation
NGF	Nerve growth factor
TNF-α	Tumor necrosis factor-α
IL-1α	Interleukin 1α
MC1R	Melanocortin 1 receptor
α-MSH	α-melanocyte-stimulating hormone
ACTH	Adrenocorticotropic hormone
KA	Kojic acid
NF-κB	Nuclear factor kappa-B
GSK3β	Glycogen synthase kinase 3β
Pt	Pterostilbene
GLP	G. lucidum polysaccharide
CREB	cAMP-response element binding protein
ERK1/2	Extracellular regulated protein kinases
JNK	c-Jun NH2-terminal kinase
EDN	Endothelin
HEE	Human epidermal equivalent
QCGG	Quercetin-3-O-β-d-glucopyranosyl-(1 → 6)-β-d-glucopyranosid
EDNRB	Endothelin receptor B
APC	Argan Press Cake
VC	Vitamin C
OPC	Oligomeric procyanidins