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2025-08-14 19:30
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The International Agency for Research on Cancer (IARC) has listed titanium dioxide as a Group 2B carcinogen — an agent that may be carcinogenic but lacks sufficient animal and human research. This has caused concern for its safety in food products (11, 12).
However, since it’s photosensitive — meaning it can stimulate free radical production — it’s usually coated in silica or alumina to prevent potential cell damage without reducing its UV-protective properties (7Trusted Source).