Not my style but I know the Lensbaby lenses were really popular at one time. In the rare instance I needed to do something with a soft focus feel, I used the old Vaseline-on-a-filter trick. Not true "soft focus" (where high contrast areas remain sharp) but it did add a halo effect to specular highlights and point-sources, which is really more the hallmark of the look. Although I never tried them, there are lots of popular filters, such as the Tiffen Pro-Mist that do essentially the same thing as the Vaseline trick, but without the cleanup
I shoot lots of portraits nowadays. Between sports teams, leagues, seniors, weddings, and more, I certainly don't want to have to constantly touch-up wrinkles and blemishes. Nowadays, lens have gotten ridiculously sharp, Even cheap, "kit lenses" are remarkably sharper than top-tier glass from just a few decades ago. Thankfully, with new hybrid AF modules (ones that use both phase shift and contrast detection like on mirrorless bodies), we can now confidentially shoot at really small DoF's and get natural softening of facial features, while still getting tack sharp eyes. I also use OCF (off camera flash) for almost every portrait session, allowing me to control lighting and hide unflattering skin much more easily.