PIH	Post-Inflammatory Hyperpigmentation
LS	Lentigo Senilis
KA	Kojic Acid
HQ	Hydroquinone
l-DOPA	l-3,4-dihydroxyphenylalanine
CMT	Chemically-Modified Tetracycline
MMP	Matrix Metalloproteinase
DMEM	Dulbecco’s Modified Eagle Medium
HI-FBS	Heat-Inactivated Fetal Bovine Serum
DMSO	Dimethyl Sulfoxide
MSH	Melanocyte Stimulating Hormone
HMGS	Human Melanocyte Growth Supplement
HEMn-DP	Human-Epidermal Melanocytes-Darkly Pigmented
TDL	Total Dendrite Length
DCF	Dichlorofluorescein
ANOVA	Analysis of Variance
MITF	Microphthalmia Transcription Factor
HBSS	Hank’s Balanced Salt Solution
ROS	Reactive Oxygen Species
ELISA	Enzyme Linked Immunosorbent Assay
FM	Fontana-Masson
Ctr	Control
IC50	Half-Maximal Inhibitory Concentration