Tintoria di Quaregna was founded in Biella in 1955 as a dyeing company specialized in the treatment of noble fibers (cashmere and wool). Over the years, the company has introduced, alongside traditional dyes, treatments with natural dyes obtained from herbs, woods, cochineal, dried roots, elderberry, poppy, chestnut, black tea, studying and re-proposing ancient techniques, from the artisanal to the industrial scale. of textile dyeing, (such as the “infusion” technique) revisited in a modern and ecological key. The technology of Tintoria di Quaregna stands out for a particular and radical approach to natural dyeing, as it starts directly from herbs from all over the world. Some of the herbs come from the local context, in a procurement philosophy inspired by the “zero km” with the birth of specialized supply chains.