I make my own best press. 8)
Dissolve half a teaspoon (or for a more substantial recipe, 1 teaspoon) of cornstarch (in your cupboard probably) in a few tablespoons of cold water in a heat proof 2-cup measuring pitcher like Pyrex. Add boiling water to make one cup, stirring constantly. Then add cold water to the 2 cup line. Let cool and use in a pump spray bottle. Shake it every time you spray. You may have to dilute it a little if it is too thick or builds up white flakes. Lasts a week or so as there are no preservatives, no chemicals, no nothing that harms us or the environment, and it’s practically free, except for the spray bottle!