https://heavymetalcertified.com/standards/whitening-productsPublished revisions of this Heavy Metal Certified page.https://heavymetalcertified.com/standards/whitening-productshttps://heavymetalcertified.com/standards/whitening-products#revision-8b538c860efa0b98Mon, 21 Sep 2026 04:04:58 GMTThe Heavy Metal Tested & Certified heavy-metal-safety standard for whitening products (strips/gels/powders/pens) in Oral Care, evaluated on finished oral-care product as placed on market — total heavy-metal content per unit mass of product as sold (ug/kg). Not a dietary maximum level and not a migration/leachate value.. 5 of 11 panel analytes publish a numeric limit taken from the strictest applicable government maximum; the remainder are held under mandatory control or a substantiated not-material determination.