Originally Posted by
Archergal
A wool garment that has shrunk in the wash has felted. Its structure has changed, and most of the time you will get minimal to no size recovery, alas.
Archergal, knitter, handspinner, weaver. Knows something about wool.
It's a matter of degree, but my actual experience is that you do get significant recovery with hairconditioner, sometimes close to 100% with some garments.