Japan Demands Impurity Lists for Cosmetic Silicones-Iota

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News > Dynamic industry > Japan Demands Impurity Lists for Cosmetic Silicones

Japan Demands Impurity Lists for Cosmetic Silicones

Starting in 2026, Japan’s PMDA requires all imported cosmetic ingredients to submit detailed impurity declarations, including exact concentrations of metals like Fe, Cu, and Ni—typically below 5 ppm.

Many Chinese exporters are caught off guard: their Certificates of Analysis (COAs) only state “complies with standards,” lacking numerical data. Japanese reviewers now reject such vague documentation, demanding ICP-MS reports per batch.

The issue stems from industrial-grade silicones used in cost-driven formulations. These often contain trace catalyst residues that push metal levels beyond limits. To comply, brands must source true cosmetic-grade silicones with full INCI names, valid ingredient submission codes, and element-specific test results—not generic assurances.

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