Dry water in cosmetics just takes a little compression — you rub it on your skin and you get the liquid within and some insubstantial amount of byproduct from t

Dry water in cosmetics just takes a little compression — you rub it on your skin and you get the liquid within and some insubstantial amount of byproduct from the coating the liquid was stored in. Also, the coating is gas permeable, so you could boil the liquid out.