Table 3.

Effect of storage on selected ethosomes (FE7) and niosomes (FN3) formulations.

Formulation	Month	Stored at 4 °C		Stored at room temperature
		EE%	PS (nm)	EE%	PS (nm)
FE7	0	83.43 ± 2.23	160.57 ± 13.7	83.43 ± 2.23	160.57 ± 13.7
	1	83.12 ± 1.89	163.54 ± 8.67	81.67 ± 2.34	171 ± 11.57
	2	82.63 ± 2.06	167.85 ± 10.69	79.53 ± 1.85	183 ± 9.38
	3	82.17 ± 2.18	170.52 ± 12.85	76.52 ± 1.93	189.32 ± 13.08
FN3	0	86.82 ± 4.52	138.43 ± 17.84	86.82 ± 4.52	138.43 ± 17.84
	1	86.53 ± 3.46	136.62 ± 22.54	85.48 ± 5.39	140.32 ± 19.40
	2	85.72 ± 4.08	141.31 ± 19.42	82.57 ± 3.62	153.72 ± 23.43
	3	85.03 ± 3.94	141.54 ± 24.62	81.44 ± 4.51	159.89 ± 22.24

EE: Entrapment Efficiency, PS: Particle size.