To ensure ethical sourcing and market access, prioritize suppliers with the Responsible Mohair Standard (RMS), which guarantees animal welfare and land management practices. For the European market, compliance with REACH regulations regarding AZO-free dyes is mandatory. For the U.S. market, ensure the products meet FTC labeling requirements, accurately disclosing fiber percentages. Additionally, OEKO-TEX® Standard 100 certification is highly recommended to prove the absence of harmful substances in the finished textile.