ATR	Attenuated total reflectance
DMSO	Dimethyl sulfoxide
DNA	Deoxyribonucleic acid
DNMT1	DNA methyltransferase 1
DoE	Design of experiment
FFE	In situ film-forming emulsions
FFS	In situ film-forming system
FTIR	Fourier transform infrared spectrometer
HPLC	High-performance liquid chromatography
HPMC	Hydroxypropyl methylcellulose
IPA	Isopropyl alcohol
K-P	Korsmeyer–Peppas
NMP	N-methyl-2-pyrrolidone
O60/20	Octyl cyanoacrylate
P407	Poloxamer 407
PBS	Phosphate-buffered saline
PEG	Polyethylene glycol
PEG400	Polyethylene glycol 400
PVP	Polyvinyl pyrrolidone
RH	Relative humidity
SC	Stratum corneum
WVTR	Water vapor transmission rate
XRD	X–ray diffraction