I have not heard of that but, have you tried the psorolin products? 100% natural products and it really is helping alot of people. Nutrition4skin.com has a sale going on now. There is a soap called psorolin, an ointment and body oil called 777. I wouldnt be without them now that i have tried them, it is easy to maintain once you achieve results with them. They have other medicines for Psoriasis too but i have only tried the ones i mentioned above. From what i have seen over the years, everything doesnt work for everyone, so it is all trial and error, even with prescription medications. I tried many many different prescriptions and OTC etc, before finding products that work good for me. Good luck.