Wiechers Skin Penetration footnote

 *This column is adapted from, Science and Applications of Skin Delivery Systems, a new book by Johann W. Wiechers, PhD, et al, coming from Allured Publishing Corp. in 2008. For more information, visit the online bookstore at www.cosmeticsandtoiletries.com/bookstore.


a The chromameter used for this test is from Minolta, Osaka, Japan.