These dyes are made from minerals, and the preparation of dyes and all following processes take place in Portugal. The pigments are completely natural and are derived from minerals in the soil. They are collected at quarries mainly in Italy, where the minerals are a bi-product. Dyeing with pigments from minerals is an ancient dye technique believed to date back to 2600BC.
Dyeing takes place at low temperatures, and therefore a substantial reduction in energy consumption is achieved. At the same time, reproductivity is very high, and we can obtain very good colour fastness results to washing and light. The dyes are in conformity with GOTS and ZDHC and are fully traceable.