Table 1. Mean, standard deviation (S.D.) and (inter-subject) coefficient of variation (CV%) of TEWL on stripped skin

	After 10 strips		After 20 strips
	TEWL	CV	TEWL	CV
	(g/m2/hr)	(%)	(g/m2/hr)	(%)
Open chamber device	2.2 ± 0.9	41.7	3.9 ± 1.3	33.5
Closed chamber device	2.4 ± 1.4	60.5	4.6 ± 2.2	47.8