Table 1.

Lipid composition and physico-chemical parameters of ethosomes^®.

Formulation	Ethanol (% w/w)	PL90G a (% w/w)	H2O (% w/w)	Mean Size (nm)	PdI b	Z-Potential (mV)
A	40	2	58	157 ± 1	0.122 ± 0.007	−48.0 ± 0.8
B	15	2	83	280 ± 1	0.116 ± 0.013	−25.4 ± 0.4

^a Phospholipon 90G. ^b Polydispersity index.