This 1908 article states that there are wash dresses which aren’t really washable. They still resemble in shape and trimmings the ordinary linen and muslin wash gowns. They’re also made from washable materials. However, they have some delicate details – such as soutache or frog trimmings – or long bias seams. The article continues that these dresses shouldn’t be washed by an ordinary laundress but by an expert, and should best be dry cleaned.
Read more: How to dress in the Edwardian era