Table 5.

Levels of glycerol at a depth of 0 – 4 µm at baseline and after application of a solution of 1% glycerol in demineralized water on the volar forearm for 1 min

	NSS		SS
	n	median (range)	n	median (range)
Glycerol content, AU
Baseline	20	783 (643 – 1,280)	20	816 (656 – 1,008)	ns
1 min	22	1,274 (835 – 2,205)	20	1,039 (783 – 1,545)	0.030
2 min	21	1,243 (808 – 2,259)	20	1,038 (646 – 1,962)	ns
3 min	20	1,208 (785 – 2,016)	20	994 (672 – 1,925)	ns

AU, arbitrary units; ns, no statistically significant difference; NSS, non-sensitive skin; SS, sensitive skin.