Determination of Ten Corticosteroids in Illegal Cosmetic Products by a Simple, Rapid, and High-Performance LC-MS/MS Method

Table 2

Validation data of linearity and LOD and LOQ for samples containing spiked standard solutions in blank cosmetic preparations. Internal calibration. Concentration in mg kg⁻¹.

Steroids	Standard solutions
	Slope
	0.008	0.999	0.089	0.102
	0.058	0.999	0.109	0.117
	0.062	0.998	0.103	0.121
	0.055	0.999	0.085	0.099
FLA	1553	0.996	0.093	0.107
FLM	13892	0.998	0.097	0.105
PDN	4123	0.999	0.098	0.112
TRM	1741	0.998	0.092	0.101
TRA	1635	0.997	0.101	0.113
BCL	1986	0.998	0.104	0.117