Table 3.

Comparison of nanoemulsion with droplet size.

Sources	Emulsification Techniques	Droplet Size	References
Fluids	Ultrasonic emulsification	24.21 ± 0.11 nm	[30]
Pastes	Emulsion inversion point method	<300 nm	[31]
Fogs	High-pressure homogenization	200–600 nm	[32]
Gels	Microfluidization	<100 nm	[33,34]
Fine liquid and solid particles in the air	Vertex mixing	282 nm	[35,36]
Topical	High-pressure homogenization	50–100 nm	[37]
Oral	Microfluidization	22 ± 4.0 nm	[38]
Intravenous	High-pressure homogenization	89.23 ± 7.2 nm	[39]
Intranasal, pulmonary, and ocular	High-pressure homogenization	8.4 ± 12.7 nm	[40]
Cosmetic industry	Ultrasonic emulsification	6–10 nm	[41]
Pesticide industry	Low-energy emulsification	~30 nm	[42]