Table 1.

Composition of the oil-in-water (O/W) nanoemulsions.

	System
Ingredients (% w/w)	1	2	3	4
(R)-(+)-Limonene	3.8	8.9	8.7	5
Polysorbate 40	15.3	-	-	12
Polysorbate 20	-	36.9	39.5	_
Water	51.4	30.2	32.6	55
Propylene Glycol	25.7	15.1	16.3	28
Ethanol	3.8	8.9	2.9	-