Simultaneous Quantification of Dexpanthenol and Resorcinol from Hair Care Formulation Using Liquid Chromatography: Method Development and Validation

Table 1

Gradient elution composition.

Time; (mins)	Flow; rate	Solvent A; (buffer pH = 2.8)	Solvent B; (ACN)
0	0.6	90	10
8	0.6	90	10
18	0.6	10	90
19	0.6	90	10
28	0.6	90	10