Code of Federal Regulations Title 21. Food and Drugs § 21.358.710 Active ingredients for the control of dandruff, seborrheic dermatitis, or psoriasis

(1) Coal tar, 0.5 to 5 percent. When a coal tar solution, derivative, or fraction is used as the source of the coal tar, the labeling shall specify the identity and concentration of the coal tar source used and the concentration of the coal tar present in the final product.

(2) Pyrithione zinc, 0.3 to 2 percent when formulated to be applied and then washed off after brief exposure.

(3)Pyrithione zinc, 0.1 to 0.25 percent when formulated to be applied and left on the skin or scalp.

(4)Salicylic acid, 1.8 to 3 percent.

(5)Selenium sulfide, 1 percent.

(6)Selenium sulfide, micronized, 0.6 percent.

(7) Sulfur, 2 to 5 percent.

(1) Coal tar, 0.5 to 5 percent. When a coal tar solution, derivative, or fraction is used as the source of the coal tar, the labeling shall specify the identity and concentration of the coal tar source used and the concentration of the coal tar present in the final product.

(2) Pyrithione zinc, 0.95 to 2 percent when formulated to be applied and then washed off after brief exposure.

(3)Pyrithione zinc, 0.1 to 0.25 percent when formulated to be applied and left on the skin or scalp.

(4)Salicylic acid, 1.8 to 3 percent.

(5)Selenium sulfide, 1 percent.

(1) Coal tar, 0.5 to 5 percent. When a coal tar solution, derivative, or fraction is used as the source of the coal tar, the labeling shall specify the identity and concentration of the coal tar source used and the concentration of the coal tar present in the final product.

(2)Salicylic acid, 1.8 to 3 percent.