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

Table 2

HPLC linearity.

(a) Resorcinol			(b) Dexpanthenol
Concentration µg·mL^−1	Average peak area	% RSD	Concentration µg·mL^−1	Average peak area	% RSD
10.34	1693514	0.51	10.44	184197	0.95
20.67	3457115	0.11	20.88	381674	0.12
41.34	6854185	0.30	41.75	741349	0.21
62.02	10309345	0.42	62.63	1092022	0.38
82.69	14108460	0.56	83.50	1512696	0.44