Let's figure out what to do next as a group.
First, we'll address the most prevalent issue: patio chairs!   Even if they were immaculate when we stored them, we often find that they have become yellow when we rearrange the yard or patio after winter. Plastics often become yellow from exposure to sunshine, humidity, and cold, but this is something that can be readily fixed. After you've soaked a cloth in white wine vinegar, massage it over the surface, being sure to target the regions that are most damaged. To sum up, your chairs will regain their pristine condition as the yellowish patina gradually fades.

The use of hydrogen peroxide is another very successful procedure that may be used to a wide variety of surfaces, including but not limited to appliances, worktops, doors, and furniture.   The application must be neat, and it must be kept on for at least an hour. After the installation is complete, just give everything a good rinse and pat dry. Not hard at all, is it?

Now let's talk about the secret weapon of every housewife who wants to revive old plastic: toothpaste!   Using the whitening version will make a difference, even if it may seem impossible.

Not only is a worn-out toothbrush simple to handle, but it also has the added benefit of being able to reach areas that would be inaccessible with a new toothbrush. Apply a little amount of toothpaste and massage it all over the area, pressing down firmly if needed. Similar to how you would wash your teeth, you should move in a circular motion. After about twenty minutes, wipe off any excess with a gentle, slightly moist towel.

Add another thin coating of baking soda if the previous one isn't thick enough. By doing so, you may maximize the whitening effect of the toothpaste. Baking soda's mildly abrasive effect will dissolve the polymers and leave your items looking like snow.

No sweat, is there?