A cheap way to whiten a yellowed plastic window sill

The surface of the white plastic window sills is gradually turning yellow. As a result, after a couple of years they don’t look presentable at all, especially if there were pots of flowers on them that left white, non-yellowed circles. You can bleach the plastic on the windowsill in the following way.

What you will need:

• Rags;
• soap solution;
• hydrogen peroxide.

Window sill bleaching process

Before bleaching, the window sill must be thoroughly washed from dirt with soapy water.

Then hydrogen peroxide is poured onto it and rubbed with a napkin.

The yellowness should soak for at least 5-10 minutes. After this, the peroxide is washed off. It gives a noticeable whitening effect. After this treatment, the window sill will look like new.

Watch the video