Table 2. Features of the Developed NEGs.

formulations	drug content (%)	homogeneity	spreadability (cm)	droplet size (nm)	pH	viscosity (cps)
20% clove-oil–NEG	98.5 ± 2.2	clear, uniform, no aggregates	4.12 ± 0.23	67 ± 3.4	6.5	9394
15% eucalyptus-oil–NEG	98.8 ± 3.4	clear, uniform, no aggregates	4.32 ± 0.17	78 ± 5.2	6.6	9456