Assessment of Physical Stability and Antioxidant Activity of Polysiloxane Polyalkyl Polyether Copolymer-Based Creams

Table 4

Rheological parameters at eight 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)	296.7	2069	205.3	624.2	420.7	922.7	229.8	2247
	Flow index	0.46	0.39	0.50	0.50	0.46	0.47	0.56	0.29
	Confidence of fit (%)	98.8	99.8	89.6	99.9	97.9	99.8	99.4	99.2
IPC Paste	10 RPM viscosity (cP)	58.4	330.4	45.2	137.9	83.2	188.1	61.9	267.9
	Shear sensitivity	0.54	0.61	0.50	0.50	0.54	0.53	0.44	0.71
	Confidence of fit (%)	98.8	99.8	89.6	99.9	97.9	99.8	99.4	99.2