View all text of Subpart F [§ 20.91 - § 20.124]
§ 20.93 - Changes to formulas.
(a) General. Except as provided in paragraph (b) of this section, any change of ingredients or quantities of ingredients listed in an approved formula shall constitute a different article for which a different approved formula is required by § 20.91.
(b) Exceptions. A different approved formula is not required for the following—
(1) A change from an ingredient identified in the formula by a brand name to the same quantity of a chemically identical ingredient acquired under a different brand name, or
(2) A change of an ingredient which is a coloring material.