Table 1.

Particle size and transparency of different micelle solutions

Formulation	Composition (weight%)			Particle size (nm)
	Cremophor EL	Ethanol	Glycerin	Mean diameter	Transparency
Ethanol 0 system
Z1	0.01	0	2.2	–	–
Z2	0.05	0	2.2	–	–
Z3	0.5	0	2.2	–	–
Z4	1	0	2.2	–	–
Z5	3	0	2.2	17.50±0.26	✓
Z6	4	0	2.2	17.73±0.15	✓
Z7	5	0	2.2	17.27±0.31	✓
Ethanol 0.5% system
F1	0.01	0.5	2.2	359.43±6.1	×
F2	0.05	0.5	2.2	192.13±3.76	×
F3	0.5	0.5	2.2	213.93±6.97	×
F4	1	0.5	2.2	14.73±0.21	✓
F5	3	0.5	2.2	17.3±0.1	✓
F6	4	0.5	2.2	17.53±0.38	✓
F7	5	0.5	2.2	17.33±0.29	✓
Ethanol 1% system
O1	0.01	1	2.2	199.77±7.23	×
O2	0.05	1	2.2	168.1±2.4	×
O3	0.5	1	2.2	245.17±4.31	×
O4	1	1	2.2	14.53±0.4	✓
O5	3	1	2.2	17.37±0.25	✓
O6	4	1	2.2	17.53±0.06	✓
O7	5	1	2.2	17.2±0.3	✓

Notes: Z1–Z4 did not form micelle solutions in this study. Transparency was assessed visually. Data expressed as mean ± standard deviation (n=3). “✓” Transparent micelle solution; “×” non-transparent solution; “–” not formed solution.