Wash and dry the jeans first
Mix liquid starch with water according to the product label
Turn the jeans inside out
Spray or soak the jeans evenly with the starch mixture
Smooth out wrinkles by hand
Let the jeans sit for a few minutes
Iron the jeans while slightly damp
Repeat starching if a stiffer finish is desired
Hang the jeans to dry completely
Store the jeans after they are fully dry