505 is the best spray. June Tailor basting spray seems to have more reports of problems than 505 has.
I found this FAQ on June Tailor:
I found this FAQ on June Tailor basting spray:
http://www.junetailor.com/faqs/FAQ_Q...stingSpray.htm
According to the FAQ, machine washing should have removed the spray unless the fabric had polyester in it. If your fabric is 100% cotton, I would call or email the company to ask them what to do.