Strong of its experiment, the Société Commerciale Raoul-Duval draws from the know-how and the files of the Compagnie Fran?aise des Extraits of which it is heiress in order to update the use of the natural dyes in textile industry. Of course we do not want to substitute for synthetic dyes, because vegetable resources from where come our different dyestuffs have to be respected and exploited under strict control. Our aim is to propose natural dyes, which are not toxic, and which can be used on e...