A bit of history…

Cover 1st edition of Patch Testing
first edition of
patch testing, 1986


Cover second edition of Patch Testing
second edition of
patch testing, 1994

First edition

The First Edition of Patch Testing was published in 1986. It contained test concentrations and vehicles for 2800 allergens. You can read Book Reviews here.

Second edition

The second Edition of Patch Testing was published in 1994 and now contained information for over 3700 chemicals. It was praised in many Book Reviews and was sold out in 2006.