As these are intimate garments, they must meet strict chemical safety standards. Ensure products are OEKO-TEX Standard 100 certified, guaranteeing they are free from harmful substances like Azo dyes. For the US market, compliance with CPSIA (Consumer Product Safety Improvement Act) is essential if marketed to younger demographics. For the EU, ensure adherence to REACH regulations. Always request flammability test reports and colorfastness certificates (Grade 4 or higher) to prevent skin irritation from dye migration.