Heavy metals are generally prohibited as intentionally added ingredients in cosmetic products. However, they may be present as trace impurities originating from raw materials, colorants, mineral-based ingredients, or manufacturing processes. Due to the potential health risks associated with long-term exposure, including skin irritation, organ toxicity, and bioaccumulation, regulatory authorities worldwide have established limits for certain heavy metal impurities in cosmetics. Manufacturers are therefore expected to implement appropriate quality control measures and ensure compliance with applicable safety requirements before products are placed on the market.
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