Table 4: Permeation parameters of AH formulations.

Formulation
code
(μg/cm2)Flux (μg/cm2/hr)Permeability coefficient
(×10−03) (cm/hr)
Lag time (hr)Skin content (μg/gm)ER

Control 1
CA1 1.51
CA2 2.05
CA3 1.80
CA4 1.59
CA5 1.58
CA6 3.21
CA7 2.16
CA8 3.28
CA9 2.84
CA10 3.85
CA11 2.87
CA12 3.94
CA13 1.88
CA14 1.64
CA15 1.87
CA16 2.71

is the cumulative amount permeated in 24 hrs; ER is an enhancement ratio of the flux of chemical enhancers over control. Values represent mean ± S.D ( ).