Question: how to unshrink a shirt?
Answer: Use lukewarm water and gentle shampoo or soap. Fill a sink or tub with lukewarm water and add a capful of baby shampoo or hair conditioner. ...  Soak for up to 30 minutes. ...  Gently remove water from the clothing. ...  Lay the clothing on a flat towel. ...  Lay the clothing on another dry flat towel. ...  Let the clothing air dry.