Unexpected cure for eyebrow and wrist psoriasis

Hi a neighbour gave me some samples of a French product for hard skin on feet, but I thought they were samples of regular facial crème as I didn’t read the tiny print. She came by the samples as they are used in hospitals in Italy. SVR xerial 50. Anyway it’s like a clear gel had dabbed it on my face for a couple of days and the psoriasis on my eyebrow stopped itching and scaling! Wow so dabbed isome on my wrist on a dry scaly patch and same.