Cosmetic Safety Standards Determination of Hormones in Essence Water
Test Report
Chromatography conditions:
Column |
Welch Xtimate® UHPLC C18 2.1×150mm，1.8μm |
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Mobile Phase |
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Column Temperature |
40℃ |
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Injection Volume |
5μL |
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Flow Rate |
0.3 ml/min |
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Note |
This test uses the matrix curve. |
Chromatogram and Data:
1) Blank
- 2) Sample solution
- (3) 10 ng/mL matrix curve
- (4) Sample spike, 10 ng/mL
Conclusion:
Using Welch Xtimate® UHPLC C18 2.1×150mm, 1.8μm, the recovery rates of beclomethasone, flunisolide, desonide, fluocinonide, flurandrenolide, prednisolone acetate, flumethasone, and fludrocortisone acetate in cosmetic water are 93.2%, 95.1%, 89.5%, 95.6%, 87.8%, 93.7%, 94.3%, and 102.3% respectively. The sample recovery rates meet the requirements.