Numerous harmful chemicals, even if they are not yet legally regulated.
Requirements from the US Consumer Product Safety Improvement Act (CPSIA) regarding lead.
Numerous environmentally relevant substance classes.

Laboratory tests and product classes
The OEKO-TEX® tests for harmful substances are fundamentally based on the respective purpose of the textiles and materials. The more intensive the skin contact of a product and the more sensitive the skin, the stricter the human-ecological requirements that need to be complied with.
.
Certification
The precondition for the certification of products in accordance with STANDARD 100 by OEKO-TEX® is that all parts of an article meet the required criteria - in addition to the outer fabric, for example, also the sewing threads, inserts, prints etc., as well as non-textile accessories, such as buttons, zip fasteners, rivets etc.
.
.