Yes. Lead-core wicks have been banned in the United States since 2003. When sourcing, request a Certificate of Analysis confirming lead-free construction and ask whether the wicks meet ASTM F2417, the standard safety specification for candles. Retailers including specialty boutiques and online marketplaces may require documentation. Vetted suppliers on AJ Cosmo Labs can provide COAs and Safety Data Sheets upon request.
Read the full guide on how to find a candle wick supplier for small batch →