Question: what is the best shampoo for severe psoriasis?
Answer: MG217 Medicated Conditioning Coal Tar Formula Shampoo. Active ingredient: 3% coal tar.
Neutrogena T/Gel Therapeutic Shampoo-Stubborn Itch. ... 
Dermarest Psoriasis Medicated Shampoo Plus Conditioner. ... 
3 things to remember.
3 ingredients to look for.
NPF Seal of Recognition.