Raw Silk Cap - Ridge SilkUnlike regular silk, raw silk is made without killing the silkworms in their cocoons, so it is called "vegan silk" or "Ahimsa silk". Made from 100% natural silkworms, it can be washed with water and is not dyed, making it an "ethical" material that has attracted attention in recent years. Raw silk is made by spinning short fibers, rather than winding it up as a continuous thread like regular silk, to use the cocoon that the moth has broken and escaped