Data and code for: Product-type concentration limits for shared cosmetic ingredients across China, the EU and ASEAN

Datasets and analysis scripts supporting the manuscript "Product-type concentration limits for shared cosmetic ingredients across China, the EU and ASEAN: divergence, toxicological grounding, and selective alignment". Contains six analysis datasets (Tables S1-S6: the 53-ingredient matrix, aligned limits, bilateral comparisons, product-type mapping rules, manual overrides, and margin-of-safety values), six rerunnable Python scripts, and three high-resolution figures (Fig. 1, Fig. 2, Fig. S1).