TDD	Transdermal drug delivery
NSAI	Non-steroidal aromatase inhibitor
APIs	Active pharmaceutical ingredients
OLZ	Olanzapine
PEK	Perilla-ketone
DOTAR	1,2-dioleoyloxy-3-trimethylammoniumpropan
ATRA	All-trans retinoic acid
PA	Phosphatidic acid
PEA	Phosphatidylethanol
PC	Phosphatidylcholine
PG	Phosphatidylglycerol
PEG	Polyethylene glycol
PI	Phosphatidylinositol
PS	Phosphatidylserine
PDI	Polydispersity index
PLGA	Poly (lactic-co-glycolic) acid
mPEG	Methoxypolyethylene glycol
PBA-G5D	Phenylboronic acid-PAMAM dendrimer
PTX	Paclitaxel
PEC	Polyelectrolyte complex
SLNs	Solid Lipid Nanoparticles
NLCs	Nanostructured Lipid Carriers
PELNVs	Plant exosome-like vesicles
ROS	Reactive oxygen species
VDCs	Vertical Diffusion Cells
MIVO®	Multi In Vitro Organ
PAMPA	Parallel Artificial Membrane Permeability Assay
PSU	Polysulfone
PES	Polyethersulfone
RHE	Reconstructed human epidermis
FT	Full-thickness
HPLC	High-Performance Liquid Chromatography
CLSM	Confocal Laser Scanning Microscopy
CRS	Confocal Raman Spectroscopy
DOFM	Dermal Open-Flow Microperfusion
Cmax	Maximum plasma concentration
AUC	Area Under the Curve
AUC0−t	Area Under the Curve from time zero to the last measurable concentration
AUC0−∞	Area Under the Curve from time zero extrapolated to infinity—gives the complete systemic exposure
FDA	The United States Food and Drug Administration
EAEU	The Eurasian Economic Union
EEU	The Eurasian Economic Union
EMA	The European Medicines Agency
IVRT	In vitro release test
IVPT	In vitro permeation test