Apply frosting film to the shower doors. Frosting film is a self-adhesive tape that clings to the glass doors. Frosting film is one of the least expensive ways of obtaining a frosted effect on your shower doors. The downside of the film is that if not carefully applied, air bubbles may become trapped in the tape.
Spray the shower doors with a frosting spray. Frosting spray applies just like spray paint. Coat the doors in smooth, even strokes. Allow proper time to dry -- wait 24 hours before using the shower -- and allow for proper ventilation during application.
Paint the shower doors with acrylic wall glaze. The acrylic wall glaze is simple enough to apply and creates a realistic etched frosted glass look. Apply the glaze with a paintbrush in smooth, even strokes. The glaze goes on clear and will dry opaque.