Table 3 Units and approximate ranges of various features in the stratum corneum.

From: A database of chemical absorption in human skin with mechanistic modeling applications

Feature Name

Units

Range of Values

Diffusion Coefficient (D)

cm2/s

0 to 2.268 × 10−7

Permeability Coefficient (logkp)

cm/s

− 8.141 to − 3.849

Extent of Linearity

hours

4.08 to 22

Experimental Lag Time

hours

0.353 to 7.551