Table 1.

Physico-chemical parameters of drug delivery systems obtained by use Zetasizer Nano ZS. Values are reported as the average of three independent experiments ± standard deviation.

Sample	Mean Size (nm)	Polydispersity Index	Zeta-Potential (mV)
Ethosomes	200.00 ± 4.43	0.16 ± 0.01	−15.20 ± 0.38
Transferosomes	187.90 ± 1.87	0.24 ± 0.01	−29.50 ± 0.59
Niosomes	123.50 ± 1.01	0.22 ± 0.01	−26.00 ± 0.35