Selenium Sulfide shampoo to help treat seborrhoea dermatitis and dandruff. __Benefits:__ - Used to treat dandruff and skin disorder, seborrheic dermatitis - Contains Selenium Sulfide of which there is 2.5% - Selenium is a strong antifungal which is very effective against dandruff - Tackle bad dandruff, and getting healthier, cleaner hair Selsun Dandruff Shampoo 2.5% 150ml is the solution used to treat seborrhoea dermatitis and dandruff. It reduces the greasiness on the scalp and slows the process of new and developing skin cells on the scalp. Some people also use the active ingredient, Selenium Sulphide, to treat tinea versicolor, a condition which causes skin discolouration. The active ingredient is called selenium sulphide (or Selenium Sulfide) of which there is 2.5% and Selsun anti-dandruff shampoo is currently the only dandruff shampoo (Selsun Shampoo 2.5) which contains 2.5% of the active ingredient. Other alternatives with selenium sulphide generally only contain around 1%. Selenium is a strong antifungal which is very effective against dandruff and it’s also a cytostatic agent which means it slows down the production of skin cells on the scalp that causes dandruff. It is the perfect answer to tackle bad dandruff, and getting healthier, cleaner hair. We also stock the smaller 100ml and 50ml Selsun Shampoo sizes.