Glucocorticoids are a category of highly hydrophobic compounds that have anti-infective, anti-allergy effects. Adding glucocorticoids to cosmetics results in whitening and moisturizer effects. However, abusing cosmetics with corticosteroids contributes to many side effects. Until now, several analytical methods for the determination of glucocorticoids in cosmetics have been reported. However, the detection limit of these methods was too high to detect glucocorticoids especially in cosmetics that contain tra...