date:Jun 08, 2015
drugs under 73.1350 (21 CFR 73.1350). Mica-based pearlescent pigments formed by depositing titanium or iron salts from a basic solution onto mica, followed by calcination to produce titanium dioxide or iron oxides on mica, are approved for specified uses in contact lenses under 73.3128 (21 CFR 73.3128). The color additive that is the subject of the two color additive petitions at issue, mica-based pearlescent pigments prepared from titanium dioxide and mica, will be referred hereinafter in thi