From: In vitro characterization of self-emulsifying drug delivery system-based lipsticks loaded with ketoconazole
Independent factors
Levels
Low (− 1)
Medium (0)
High (+ 1)
X1: Beeswax (gm)
0.8
1.1
1.4
X2: Carnauba wax (gm)
0.15
0.25
0.35
X3: Cow ghee (mL)
0.5
0.75
1