O/W-NE	Oil-in-water nanoemulsion
TEWL	Trans-epidermal water loss
ICR	Institute of Cancer Research
HR-1	Hairless-1
PDI	Polydispersity index
TEM	Transmission electron microscopy
EE	Encapsulation efficiency
CLSM	Confocal laser scanning microscopy
H&E	Hematoxylin and eosin
S.D.	Standard deviation
PBS	Phosphate buffered saline