The active ingredients of the product consist of any of the following, within the established concentrations for each ingredient:
(a) cellulose derivatives:
(1) Carboxymethyl cellulose sodium, 0.2 to 2.5 percent.
(2) Hydroxyethyl cellulose , 0.2 to 2.5 percent.
(3) Hypromellose, 0.2 to 2.5 percent.
(4) Methyl cellulose , 0.2 to 2.5 percent.
(b) Dextran 70, 0.1 percent when used with another polymeric demulcent agent in this section.
(c) Gelatin, 0.01 percent.
(d) Polyols, liquid:
(1) Glycerin, 0.2 to 1 percent.
(2) Polyethylene glycol 300, 0.2 to 1 percent.
(3) Polyethylene glycol 400, 0.2 to 1 percent.
(4) Polysorbate 80, 0.2 to 1 percent.
(5) Propylene glycol, 0.2 to 1 percent.
(e) Polyvinyl alcohol, 0.1 to 4 percent.
(f) Povidone, 0.1 to 2 percent.
[53 FR 7090, Mar. 4, 1988, as amended at 68 FR 32982, June 3, 2003]
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