Selerex Dandruff Shampoo is a medical-grade anti-dandruff treatment containing Selenium Sulfide as its active ingredient. This specialized formula targets the root cause of dandruff to provide effective control and relief from flaking and scalp irritation. The shampoo contains Selenium Sulfide, which is a proven anti-dandruff ingredient that works by targeting and eliminating the underlying cause of dandruff formation. Being a pure medical-grade product, it is specifically formulated to provide therapeutic benefits for those suffering from persistent dandruff problems.