I have psoriasis since I was 16. now I am 35 still no cure. I have stopped all medicines. No pills or steroids anymore.
My remedy is to stop using soap all together. Or if you want to, use the one which is natural with no or mimimum chemicals in it.
Take shower and after the shower apply hair conditioner( any hair conditioner will do) all over your body. or where your psoriasis is. Let it soak for 5 mins. Then rinse.
Do this everyday and see the results yourself.
You can check out the video on youtube. -Make Psoriasis Plaques Go Away.
I tried it and to my surprise it works. After taking a shower I also apply oil on my body to keep it moist for long. You can do it 2-3 times a day if you feel your body is getting dry.
Just give this a try and I hope it works for you as well.