Table 5.

Evaluation parameters of different gel formulations

Parameters	Act gel	Act niosomal gel
Appearance	Translucent homogeneous gel	Opaque homogeneous gel
Color	Yellow	Yellowish white
pH*	6.23±0.23	6.18±0.16
Viscosity (cP)*	1,164.84±8.65	1,386.72±9.85
Drug content (%)*	98.78±0.73	97.67±0.64

Note:

^*Each value represents the mean ± SD (n=3).

Abbreviation: Act, Acitretin.