Research Article
Assessment of Physical Stability and Antioxidant Activity of Polysiloxane Polyalkyl Polyether Copolymer-Based Creams
Table 3
Rheological parameters at four weeks of base and active cream kept at 25°C, 40°C, 40°C + RH 75%, and 8°C.
| Model | Rheological parameter | At 25°C | At 40°C | At 40°C + RH 75% | At 8°C | Base | Active cream | Base | Active cream | Base | Active cream | Base | Active cream |
| Power Law | Consistency index (cP) | 909.5 | 4741 | 9.38 | 1365 | 254.8 | 1798 | 1664 | 2036 | Flow index | 0.33 | 0.24 | 13.1 | 0.43 | 0.54 | 0.39 | 0.20 | 0.35 | Confidence of fit (%) | 95.4 | 98.7 | 99.1 | 99.6 | 99.1 | 99.5 | 92.4 | 99.6 |
| IPC Paste | 10 RPM viscosity (cP) | 120.9 | 485.1 | 6.19 | 244.6 | 65.1 | 288.4 | 150.4 | 294.6 | Shear sensitivity | 0.67 | 0.76 | 4.5 | 0.57 | 0.46 | 0.61 | 0.80 | 0.65 | Confidence of fit (%) | 95.4 | 98.7 | 98.9 | 99.6 | 99.1 | 99.5 | 92.4 | 99.6 |
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