Psoriasis Treatments

Coal tar requires consistent daily use over weeks to show results — and stopping early is the most common reason people conclude it doesn't work. This guide covers the realistic timeline, what speeds or slows results, and what to do if you're not seeing progress after 4–6 weeks.

Coal tar shampoo has been used to treat psoriasis for over a century. But is it safe to use long term? Here is what the FDA and American Academy of Dermatology say — and what precautions matter most.

Neutrogena T/Gel Therapeutic Shampoo has been discontinued in the United States and the UK. If you've been using it for years to manage scalp or body psoriasis, this guide explains what happened, why coal tar itself is not the problem, and which alternatives are worth considering.

Coal tar is one of the oldest and most validated OTC treatments for psoriasis. But Nopsor, MG217, and T/Gel take very different approaches — different concentrations, different delivery systems, different goals. This guide compares them honestly so you can decide which approach fits your situation.

Most people with psoriasis have heard of coal tar and salicylic acid. Far fewer understand why they work — or why using them together makes each one more effective. This is the science explained simply.