Selsen Blue is an over-the-counter dandruff shampoo, and is owned by Sanofi, a French pharmaceutical company. Sanofi acquired Selsen Blue in 2010. The original formula shampoo contains 1% selenium sulfide, which is its active ingredient. The line also includes "Naturals", and these shampoos include "salicylic acid in addition to 8 moisturizers & botanicals plus vitamins B5 & E."* Selsen Blue is available in drugstores and major retailers nationwide.
*Source: Wikipedia
