Quick Answer: How Do You Whiten Old Yellowed Tupperware?

How do you whiten old yellowed lace?

Fill a sink with room-temperature water and add 1/2 cup of borax and a several drops of liquid laundry detergent.

Gently work the solution into the stain on the lace, then allow it to soak for 40 minutes.

Remove the lace from the solution, rinse in cool running tap water and lay it out to dry..

How do you make plastic clear again?

Toothpaste. Toothpaste also works well to clean clear plastic surfaces. Use a white, non-gel toothpaste, rub directly onto the surface, and clean with a rag working in small circular motions. Wipe clean with a damp cloth, and any film or residue will disappear from the plastic, and restore the shiny plastic finish.

How do you whiten yellowed Tupperware?

Baking soda’s cleansing properties are nothing new, and work as a great stain and odor remover for Tupperware, as well. Simply make a thick-ish paste of warm water and baking soda and rub it into the inside the container. Let it sit for at least one day, then rinse it out thoroughly.

Is there a way to make yellowed plastic white again?

Fill a bucket or large bowl with one part bleach and one part water. Fill it enough so that it will cover the yellowed pieces when they are submerged. … If the items cannot be submerged in the bucket, put on gloves, then soak paper towels with the bleach solution and cover the yellowed plastic with the wet paper towels.