Is selsun blue shampoo safe?
On One Hand: Selsun Blue Is Generally SafeSelsun Blue, a medicated shampoo with the active ingredient selenium sulfide, is generally safe. This shampoo can help relieve symptoms of conditions like dandruff and seborrheic dermatitis (a severe form of dandruff), according to the Mayo Clinic and Medline Plus.On the Other: There Are Some RisksSome side effects may result from using shampoos with selenium sulfide. These include oily or dry scalp, hair loss and discoloration of the hair, irritation of the scalp, and possible allergic reaction, according to the shampoo’s manufacturer, Chattern, Inc. as well as Medline Plus. Medline Plus advises contacting a doctor in the event of scalp irritation.Bottom LineMany people safely use Selsun Blue to treat scalp conditions, but some side effects may occur.