DHS Zinc Shampoo 8 oz (Pack of 2) is highly recommended if you have dandruff or seborrheic dermatitis. Controlling these scalp conditions can be a bit difficult if you are not using the right products. With the Zinc DHS shampoo, you can easily do so. This contains 2 percent of Zinc Pyrithione which is proven effective in relieving the symptoms of these said skin conditions. This has a long-lasting effect of soothing and nourishing your scalp and hair, so the comfort that you feel after using the DHS shampoo can actually last longer than you think. With the gentle healing properties of the DHS shampoo, comfort is achieved just after using, and this will continue if you regularly use this. For three generations, Person & Covey, Inc. has made quality products with the finest innovations in dermatological care and sun guard. Family-owned since 1941. Based in California, USA. Wash your hair with DHS Zinc Shampoo 3-4 times a week, or as directed by your doctor. Use with DHS Regular or Clear Shampoo on the other days so your hair stays healthy. Get instant relief starting with the first use. This calming unique formula is easy on your scalp and hair. Enjoy soft shiny hair with no more flakes. Convenient 8 oz bottle. Soothing nourishing formula contains 2% Zinc Pyrithione. PABA free. TEA Lauryl Sulfate-free. Dermatologist recommended for fast-acting relief from dandruff and seborrheic dermatitis flare-ups. Gentle and clean on your scalp and hair.