ABTS	2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)
AP-1	Activator Protein-1
AQP-3	Aquaporin-3
CCK-8	Cell Counting Kit-8
CE	Cornified envelope
CTL	Control group
DH	Degree of hydrolysis
DPPH	2,2-Diphenyl-1-picrylhydrazyl
ECM	Extracellular matrix
EdU	5-Ethynyl-2′-deoxyuridine
ERK1/2	Extracellular signal-regulated kinase 1/2
FLG	Filaggrin
FRAP	Ferric-reducing antioxidant power
GAPDH	Glyceraldehyde-3-phosphate dehydrogenase
HA	Hyaluronic acid
HaCaT	Human immortalized keratinocyte cell line
HAS-2	Hyaluronan synthase -2
IL-1β	Interleukin-1 beta
IL-6	Interleukin-6
IL-8	Interleukin-8
INV	Involucrin
JNK	c-Jun N-terminal kinase
LOR	Loricrin
MAPK	Mitogen-Activated Protein Kinase
MDA	Malondialdehyde
MMP-1	Matrix metalloproteinase-1
MMP-3	Matrix metalloproteinase-3
MOD	Model group (UVB-exposed group)
NMFs	Natural moisturizing factors
NF-κB	Nuclear Factor Kappa B
PBS	Phosphate-buffered saline
ROS	Reactive Oxygen Species
RT-qPCR	Real-Time Quantitative Polymerase Chain Reaction
SDS-PAGE	Sodium dodecyl sulfate–polyacrylamide gel electrophoresis
SOD	Superoxide dismutase
T-AOC	Total antioxidant capacity
TD	Native Dendrobium officinale protein
TDM	Crude Dendrobium officinale protein enzymatic hydrolysate
TDM-5	Dendrobium officinale protein hydrolysate ultrafiltration fraction (10–50 kDa)
TDM-1	Dendrobium officinale protein hydrolysate ultrafiltration fraction (<10 kDa)
TGF-β	Transforming Growth Factor—βTNF-α Tumor Necrosis Factor—α UVB Ultraviolet B
WB	Western blot