Site Publisher

The website (hereinafter referred to as the “Site”) is published by :

Multaler Laboratories (hereinafter referred to as “Yon-Ka”)

Société par Actions Simplifiée | Share capital: 649 276 € | RCS Nanterre 552 022 824

Registered office : 43 Rue Victor Hugo, 92700 Colombes – France

VAT NUMBER: FR 94552022824

The Publication Director is Françoise Mühlethaler, in her capacity as President of Multaler & Cie.

Site hosting

This website is hosted by :

Hetzner Online GmbH

Industriestr. 25

91710 Gunzenhausen – Germany

E-Mail: [email protected]

Ansbach Registration Office, HRB 6089

VAT NUMBER; DE 812871812

CEO: Martin Hetzner, Stephan Konvickova, Günther Müller

Intellectual property

In accordance with the laws governing the ownership of literary and artistic rights or other similar rights, this Site and all the elements, trademarks, designs, models, photographs, texts, illustrations, logos, animated or non-animated sequences, sound or not, graphics etc. found on this Site as well as their compilation are the exclusive property of Yon-Ka, which does not grant any licence or any other right than that of consulting the Site.

The reproduction or use of all or part of these elements is only authorised for the exclusive purpose of information for personal and private use, any reproduction and any use of copies made for other purposes being expressly prohibited. Neither the Website (in whole or in part), nor its content, nor the trademarks may be used, reproduced, duplicated, copied, sold, resold, made accessible, modified or exploited in any other way, in whole or in part, for any purpose whatsoever, without the prior written consent of Yon-Ka.

Any other use constitutes an infringement.


Multaler Laboratories will make every effort to ensure the reliability, accuracy and updating of the information provided on this site: does not guarantee in any way the accuracy or completeness of the information made available on this site; and more generally for any damage, direct or indirect, whatever the causes, origins, nature or consequences, caused as a result of anyone’s access to the site or inability to access it, as well as the use of the site and/or credit given to any information coming directly or indirectly from it.

Yon-Ka reserves the right to modify or correct the content of the documents published on its site at any time and without notice.


Yon-Ka declines all responsibility for the content, advertising, products or services available on or from sites linked to its site by a hypertext link.

Personal data & cookies

Cookies” are alphanumeric identifiers deposited on your computer, mobile phone or digital tablet, through your Internet browser, in order to recognise your browser and offer you personalised services.

We use cookies for the purposes of browsing our website, to remember your preferences, to give you a better customer experience and to optimise our website by providing content tailored to your needs.

Yon-Ka is committed to preserving the confidentiality of any personal information provided online by the user. The information collected is used to improve the quality of service provided to users of this site.

For more details, please refer to the site’s Cookie Policy.