Table 1.

Cell viabilities of 3D human skin model EpiDerm^TM in skin corrosion test

Cell viability (%)	FeNPs	AlNPs	TNPs	AgNPs	KOH
3 min	87.5 ± 4.3***	90.9 ± 4.6**	96.3 ± 2.4	89.0 ± 1.9***	9.8 ± 1.6***
60 min	49.8 ± 28.6***	97.9 ± 5.8	85.3 ± 3.9	58.7 ± 43.1**	8.3 ± 0.7***

EpiDerm™ were treated with nanoparticles for 3 min and 60 min, respectively and MTT assay was performed. Data were expressed as the mean ± S.D. (N = 3). Significant differences,

^**p < 0.01,

^***p < 0.001.