recommended by available medical or scientific guidelines, or cosmetic manufacturing reference, and following any other specific instructions for use recommended by the ingredient manufacturer. (b) Presumption of adequate evidence (1) In general Except as provided in subsection (c), a determination made under subsection (a) shall be presumed to be based on adequate evidence if it is supported by— (A) with respect to each ingredient in the finished product— (i) references to an official statement by one or more expert medical or scientific bodies that the ingredient is safe under the conditions of use recommended or suggested in the product’s labeling