Plant dyeing can be easy and the results can be great. The raw dyeing materials shown beneath are included in do-it-yourselve kits that are developed for dyeing cotton or linen (natural cellulose fibers) and wool or silk (proteine fibers). Two different kits may contain the same dyeing substance (for example catechu, extracted from accacia trees) but the fixative salts used for cellulose fibers are different from those used for proteine fibers. These dyes are meant for dyeing untreated fabrics of one composition, e.g. 100% wool or 100% cotton. We advise against dyeing garments or treated fabrics with it.