Curing Pigment Painted Fabrics

Four different earth pigments were used in combination with soy milk to color this piece of cotton cloth.

I'm often asked "how long do I really need to allow for my soy painted fabrics cure before I can wash them"?  The anwser is depending on your climate/humidity a minimum of three to six weeks.

Tape was use to create resist patterns on the fabric. 

The real anwser is how long can you stand to wait?  The longer you wait the greater the permance of the dyes and pigments on the fabric.  Yes the hand of the fabric will change the longer you wait, the piece in the top photo has been curing now for about 10 years, and it's stiff enough after all of this time to almost stand by itself unaided!  I just found it this afternoon while sorting through a pile of fabrics that I had misplaced.