Courage + Khazaka electronic GmbH

FAQ

General Questions on the Scientific Measurements

Skin Measurement System
How often do my probes/devices need calibration?
calibration certificate The C+K probes and devices are high precision measurement tools. We recommend sending the systems to the manufacturer or an authorized agent every year for a complete calibration. You will get a calibration certificate, which is important for your internal documentation.
Some key information for efficacy studies with bioengineering instruments

Literature:

Book FluhrPractical Aspects of Cosmetic Testing - How to Set up a Scientific Study in Skin Physiology

Fluhr, Joachim W. (Ed.)1st Edition., 2011, XI, 272 p. 27 illus., 14 in colour., Hardcover ISBN: 978-3-642-05066-4

This book is indispensable for all scientific skin testing in the laboratories of the cosmetic industry. In it you will find all our experiences working in the field of skin testing devices for almost 25 years. It offers a wide range of elementary knowledge and practical advice on how to perform efficacy tests. All authors are recognized experts in their field. It is available in the Springer publishing house and directly from C+K for a special price, just This email address is being protected from spambots. You need JavaScript enabled to view it..


Interesting information, guidelines, regulations and laws regarding tests of cosmetic products

EEMCO

The European Expert Group of Efficacy Measurement of Cosmetics and Other Topical Applied Products EEMCO
http://www.eemco.net

The European Cosmetic Care Association: Cosmetics Europe (previously COLIPA) www.cosmeticseurope.eu

Interesting courses and education programs:

Online Master course in Cosmetic Science of the University of Cincinnati by Prof. Randolf Wickett and others: http://pharmacy.uc.edu/program-information/graduate/cosmetic/faculty

Intensive Course in Dermato-Cosmetic Science and/or safety Assessment of Cosmetic Products by Prof. Vera Rogiers at the Free University of Brussels: www.dermatocosmeticcourse.eu and http://www.safetycourse.eu

University of the Arts London -London College of Fashion: MSc in Cosmetic Science: www.fashion.arts.ac.uk/courses/integrated-masters/msc-cosmetic-science

Università degli studi die Pavia - Dipartimento di Scienze del Farmaco http://www.unipv.eu/site/home/didattica/post-laurea.html

Australia's first Diplomas in Personal Care and Cosmetic Science: www.personalcarescience.com.au



Which instrument to use for which claim?

This is only a small selection of claims and methods to use in this context:

HYDRATING, MOISTURIZING, NOURISHING, BALANCING, NORMALIZING, VITALISING: Corneometer®, Corneofix®, Visioscan®, Sebumeter®, Sebufix®, MoistureMap, Tewameter®

AGAINST OILY SKIN/HAIR/SCALP, OIL RESTORING, AGAINST DANDRUFF: Sebumeter®, DandruffMeter, Meibometer®

pH-NEUTRAL, RESTORING, REPAIRING, PROTECTIVE, SOOTHING, BARRIER ENHANCING, ANTI-ALLERGIC, ANTI-IRRITANT, ANTI-POLLUTION, ANTI-DRY EYE: Tewameter®, Skin-Colorimeter, Skin-pH-Meter, Corneometer®, Skin-Thermometer, Visioscan®, Visiometer®, Mexameter®, Corneofix®, Sebumeter®, Sebufix®, Meibometer®

CLEANING, PURIFYING, ANTI-BACTERIAL, ANTI-ACNE, ANTI-IMPERFECTIONS, PORE ACTIVITY REDUCING, PORE REFINING: Sebumeter®, Skin-pH-Meter, Visiopor®, Sebufix®,

SUNSCREEN, WHITENING, ANTI-DARK SPOTS, ANTI-AGE SPOTS, ANTI-DARK CIRCLES, ANTI-COUPEROSIS: Mexameter®, Skin-Colorimeter

COLOURING, COLOUR PROTECTION, CONCEALING, SKIN TONE CORRECTING, SELF TANNING/TANNING ENHANCING: Skin-Colorimeter®

SHINE ENHANCING/DECREASING, GLOSSYNESS, LUMINESCENCE, RADIANCE, BRIGHTNESS, MATTIFYING: Skin-Glossymeter, Skin-Colorimeter

TONING, FIRMING, AGAINST SKIN FATIGUE/SLACKNESS, ANTI-CELLULITE/STRECH MARKS: Cutometer®, Visioscan®, CutiScan

ANTI-WRINKLE, FILLER EFFECT, RESTRUCTURING, REMODELLING, REJUVENATION, ANTI-AGE, STRUCTURE IMPOVING, SMOOTHNESS: Cutometer®, Visioline®, Visiometer®, Visioscan®, CutiScan, MoistureMap, Frictiometer

SKIN RENEWAL, EXFOLIATION, AGAINST DRY/SCALY SKIN: Corneometer®, Corneofix®, Tewameter®

MICRO CIRCULATION ENHANCING, WARMING/COOLING, THERMAL PROTECTION: Skin-Thermometer, Mexameter®, Skin-Colorimeter

SPREADABILITY, ANTI-GREASINESS/STICKINESS, FRICTION REDUCING: Frictiometer, Sebumeter®

NAIL HARDENING/THICKNESS/FLEXIBILITY, STRUCTURAL STRENGTH OF THE NAIL, ANTI-NAIL BREAKING: Nail StrainStress Meter, Tewameter® Nano

ANTI-PERSPIRANT: Tewameter®

General difference between devices for the skin type analysis and cosmetic recommendation and the scientific laboratory devices

SebumeterThe devices for the skin type analysis derive from the scientific measurement methods known for many years and used all over the world for clinical studies and efficacy testing. However, the skin type analysis devices have a less accurate resolution. Example: they express the sebum content e.g. in "dry", "normal", "oily", whereas the scientific Sebumeter® shows the sebum content in a high precision figure to monitor even smallest changes in the sebum SD27 diodes level.

Some systems for skin type analysis are available with an attractive, cosmetic software to recommend products and thus differ from the scientific measurement programmes. The cosmetic consulting devices are not used for clinical studies but for promotional use.

The software for the scientific laboratory devices possesses check calibration facilities and supports the statistical gathering of data for the evaluation of a study.

Courage+Khazaka electronic GmbH
Mathias-Brüggen-Str. 91
50829 Köln, Germany
Phone: +49-221-9564990
Fax: +49-221-9564991
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