Table 4.

Questionnaires

	Group A		Group B		Difference (WL − TS)
	Period 1 (WL)	Period 2 (TS)	Period 1 (TS)	Period 2 (WL)	p	Significance
During
Foaming	3.3 (0.8)	2.1 (0.6)	2.3 (1.1)	3.7 (0.5)	<0.0001	WL
Quality	3.3 (0.7)	2.3 (0.8)	2.6 (1.0)	3.5 (0.7)	<0.0001	WL
Longevity	2.9 (1.0)	2.2 (0.9)	2.6 (1.0)	3.7 (0.5)	<0.0001	WL
Sensitive	4.0 (0.0)	3.9 (0.2)	3.8 (0.7)	3.8 (0.7)	0.6206	No significance
Disappearance	2.8 (1.0)	3.5 (0.9)	3.5 (0.9)	3.1 (1.0)	0.0095	TS
Immediately after
Tight	3.9 (0.2)	3.6 (0.6)	3.7 (0.7)	3.9 (0.3)	0.0114	WL
Dried	3.8 (0.4)	3.8 (0.5)	3.6 (0.8)	3.9 (0.4)	0.2192	No significance
Moist	3.3 (0.7)	3.1 (0.8)	2.9 (0.8)	3.3 (0.7)	<0.0001	WL
Sticky	3.0 (0.9)	3.1 (1.0)	3.7 (0.7)	3.1 (0.7)	0.0059	TS
Itchy	3.9 (0.3)	3.8 (0.4)	3.8 (0.7)	3.9 (0.3)	0.7657	No significance