Is the world leader in textile health labels. It is applied to textiles containing no chemicals harmful to health and to the skin (formaldehyde, heavy metals, pesticides, phthalates, banned benzene) as well as many chemicals harmful to health which are not yet regulated by the law.
GOTS (Global Organic Textile Standard) 
It defines very strict environmental as well as social criteria.
When cultivating organic cotton, no toxic or pesticidal or non-biodegradable fertilizers are used. All chemical inputs (eg dyes, additives and processing chemicals) used in particular for dyes must comply with a number of basic requirements for toxicity, biodegradability and disposal.
All heavy metals, formaldehydes, nanoparticles, GMOs, aromatic solvents, phthalates, PVC, chlorine are prohibited.