Executive Board

The current Executive Board of I.A.C. (as of January 16th, 2018) consists of Chairman, Florence Barrett-Hill and Vice Chairman, Dr. Hans Lautenschläger. Both Ms Barrett Hill and Dr Lautenschläger are recognised within the international skin care community for their contributions to applied Corneotherapy, and have been advocates of the methodology for over 20 years. Both have both written many publications directly or indirectly increasing the knowledge of those practicing Corneotherapy globally. 

Flo IAC profile 2017Florence Barrett-Hill  

CIDESCO, ITEC Dips, Independent Technical Educator to the Professional Aesthetics Industry

Ms Barrett-Hill is an internationally acclaimed dermal science educator, practitioner, researcher, and author with a vast experience covering all aspects of professional aesthetic therapy and paramedical skin care. Florence holds over a dozen diplomas and international qualifications covering every aspect of modern, non-invasive skin treatment therapy, and is well respected by her industry peers for her 30+ years of knowledge she loves to share via books, seminars and now, e-learning. 
Ms Barrett Hill is the creator of the Pastiche Method® of Advanced Skin Analysis, which is the cornerstone of successful skin condition diagnosis, interventions and non-invasive skin care treatments programs. 

Hans 2017Dr. Hans Lautenschläger PhD 

Chief scientist, KOKO Kosmetikvertrieb GmbH & Co.KG

Dr. Lautenschläger is a internationally respected  organic chemist  and pharmacologist with vast experience in the development of formulations and products designed for the skin.  Research & Development under his guidance for a number of German organisations has produced novel pharmaceutical actives for lipid metabolism disorders, inflammation and heart, blood and circulation diseases. 
His interest in phospholipids and their application in treating skin barrier disorders have put him in the forefront of innovative design of skin care products primarily employed in applied Corneotherapy.


team 2018Association Administration

The administration team consists of (from L to R) Margaret Walsh-Shearer, (Secretary) Hans Lautenschläger, (Vice Chair)  Marek Harder, (Treasurer) Florence Barrett-Hill, (Madame Chair) and Ralph Hill. (Project manager and Membership administrator)

General Information


International Association for Applied Corneotherapy

The International Association for Applied Corneotherapy (I.A.C.) is a registered, non-profit association with primary purposes and objectives of the advancement of scientific research and practical applications in the realm of Corneotherapy and related sciences.

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Executive Team

Executive Board:
Florence Barrett-Hill - New Zealand
Dr. Hans Lautenschlager, Ph.D. - Germany

Margaret Walsh - New Zealand

Scientific Advisory Board:
Assoc. Prof. Dr. Lars Norlén.
Department of Dermatology, University Hospital, Stockholm, Sweden.

Dr Ghita Lanzendoerfer-Yu, PhD.
Inorganic Chemistry. Independant consultant and writer- Germany

Education Commission:
Florence Barrett-Hill (NZ)
Rene Serbon (CAN)
Alexandra J. Zani (US)
Bev Greenwood (AUS)

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