Table 3 Stress study of hydrocortisone and clotrimazole assay for experimental topical cream at 40 °C temperature and sunlight
Working standards | Initial analysis (%) | 40 °C ± 2/75% ± 5 RH (3 months) | 40 °C ± 2/75% ± 5 RH (6 months) | Sunlight 10 h (28–32 °C) |
|---|---|---|---|---|
Hydrocortisone | 99.89 | 99.47 | 98.63 | 98.56 |
Clotrimazole | 99.87 | 98.52 | 98.45 | 98.67 |