On January 22, 2025, the China National Institutes for Food and Drug Control (NIFDC) announced a public consultation on nine draft testing methods for cosmetics, including toothpaste. This initiative aims to enhance the technical standards for cosmetic products. The proposed methods are as follows: No. Testing Method 1 Skin Absorption: In vitro Method (Draft for Comments) 2 Bovine Corneal Opacity and Permeability (BCOP) Assay (Draft for Comments) 3 Collagen Hydrogel-Eye Irritation Test (Draft for Comments) 4 In Chemico Skin Sensitisation: Kinetic Direct Peptide Reactivity Assay（kDPRA）(Draft for Comments) 5 Immunotoxicity test (Draft for Comments) 6 Determination of Li and
