Our inks do not contain ozone-depleting chemicals such as CFCs, HCFCs, aromatic hydrocarbons or volatile solvents. They are also free of lead, heavy metals and toxic chemicals. Our inks passed the Oeko-Tex® Standard 100 Class 1 and are safe to use on underwear and baby clothes (infants under 2 years). Print Natural inks were also granted Approval by the Soil Association in the UK, having successfully met the requirements of the Global Organic Textiles Standards (GOTS) for use in organic textile processing. The ink ingredients are not sourced from animals and our inks are not tested on animals. Ingredients that are sourced from plants are certified GMO free!