The use of selenium sulfide shampoo as a lotion for the treatment of pityriasis (tinea) versicolor is an unlicensed indication. Interactions View interactions for selenium Patient and carer advice For selenium With topical use: Avoid using 48 hours before or after applying hair colouring, straightening or waving preparations. Medicinal forms

21 selenium-rich foods tl;dr Let’s play a word association game. Ready? What do you think of when you hear selenium? There’s a 50/50 chance it’s either a nutrient or one of Zenon’s.