Vicky - the water-soluble will wash out completely. Not certain if this would be your answer though - because it won't adhere to the silk fabric . . . and unless you had something ironed onto the silk, I don't see how it would help. You may want to read this article and see if perhaps the stabilizer used for t-shirt quilts wouldn't be the best fit for your project: https://pellonprojects.wordpress.com...-shirt-quilts/