Psoriasis Treatments

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.

Castor oil has a legitimate role in a psoriasis routine — but it's a narrower role than most articles suggest. This guide explains what the research actually supports, where castor oil genuinely helps, and how to use it in a way that earns its place in your routine.

Most moisturizer labels list the same handful of ingredients without explaining what each one actually does or why it matters for psoriasis. This guide breaks down the key ingredients by function — barrier repair, humectant, occlusive, and soothing — so you can read a label and make an informed choice.