A simple measuring principle: A testing probe is slightly pressed on the skin with the result of a temporary vacuum. The skin is lifted, stretched and then released. These deflections are optically recorded and evaluated.

For a comprehensive instruction manual please refer to: http://www.courage-khazaka.de/. General information on skin diagnosis is available in the following publications (English translation):

• Hautdiagnose - an Messergebnissen orientieren, Kosmetik International 2007 (10), 54-56
• Hautanalyse - Befragung ergänzt Messung, Kosmetik International 2004 (8), 72-74
• Hautanalyse - moderne Geräte helfen, Kosmetik International 2003 (3), 102-104
• Geräte zur Hautanalyse, Kosmetik International 2001 (1), 90