| http://www.w3.org/ns/prov#value | - zinc and titanium oxides, zirconium or cerium oxides, precipitated calcium carbonate, magnesium carbonate and hydrated magnesium carbonate, hydroxyapatite, hollow silica microspheres, glass or ceramic microcapsules, metal soaps derived from organic carboxylic acids having from 8 to 22 carbon atoms, preferably from 12 to 18 carbon atoms, such as zinc, magnesium or lithium stearate, zinc laurate or
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