Table 1.

Composition of the indicated formulations.

Formulation Code	PC 1 % w/w	Ethanol % w/w	P407 2 % w/w	Water % w/w	CA 3 % w/w
ETHO	0.9	29.1	-	70	-
CA-ETHO	0.9	29.1	-	70	0.1
pol 4	-	-	15	85	-
CA-pol 5	-	-	15	84.95	0.05
ETHO-pol 6	0.76	24.74	15	59.5	-
CA-ETHO-pol 7	0.76	24.74	15	59.41	0.085

¹ soy phosphatidylcholine; ² poloxamer 407; ³ caffeic acid; ⁴ p407 gel; ⁵ CA containing p407 gel; ⁶ ethosome gel; ⁷ CA containing ethosome gel.