Selsun Blue
（重定向自Selsun）
Selsun Blue is an over-the-counter brand of dandruff shampoo now owned by Sanofi. First made by Abbott Laboratories, the brand was bought by Chattem in 2002. Chattem was acquired by Sanofi in 2010. Selsun Blue has been marketed as a more effective alternative to brand leader Head & Shoulders due to its superior performance in randomized trials.