Table 2.

Compounds used to obtain niosomes.

	Type of Compounds	Examples	Ref.
Nonionic surfactant	Alkyl ethers	Alkyl glycerol ether, Hexadecyl diglycerol ether	[34]
	Crown ethers	Alpha, omega-hexadecyl-bis(1-aza-18-crown-6)(Bola)	[35,36]
	Alkyl esters	Span 20, Span 40, Span 60, Span 80, Span 65, Span 85	[37,38,39,40,41,42,43]
		Tween 20, Tween 40, Tween 60, Tween 80, Tween 65, Tween 85
	Fatty acids	Stearic acid, palmitic acid	[44]
	Fatty alcohols	Stearyl alcohol, cetyl alcohol
	Block copolymers	Pluronic L64, Pluronic 105	[45,46]
Lipids	Steroids	Cholesterol	[47]
Charged molecule	Negative charge	Dicetyl phosphate, phosphatidic acid, lipoamino acid	[48,49]
	Positive charge	Stearylamine, stearyl pyridinium chloride, cetylpyridinium chloride

Type of Compounds

Examples

Ref.