SELENIUM SULFIDE is graded B** (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.

SELENIUM SULFIDE

Safety grade: B**

Selenium sulfide is a chemical compound that works to slow down the growth of yeast and fungi on the scalp. It's commonly used in dandruff shampoos to reduce flaking and itching while helping to condition the hair.

This ingredient fights the fungus that causes dandruff and helps reduce scalp flaking, while also providing conditioning benefits to improve hair texture and manageability.

Graded using: COSING.

Last verified: May 26, 2026

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