The size of the TX-100 and CTAB mixed micelles and alcoholaggregates was determined by using Zetasizer Nano ZS (Malvern,UK). The particle hydrodynamic diameter which can be detectedby this instrument is in the range between 0.6 nm and 6 m. TheZetasizer system performs size measurements by using the processof dynamic light scattering with the backscatter detection at 173◦