Tag: urea

When bringing seafood to the mainland and selling it in the city, most of the time it needs to be frozen, but many people also add urea and bleach to preserve the fish longer and prevent it from spoiling.

Do you ever wonder why your pillow's filling turns yellow and stains the pillowcase after a period of use, even if you carefully cover it with an outer pillowcase? We all know how important it is to have a good night's sleep, and maintaining hygiene and aesthetics of your pillow is key. Let's take a look at what is causing this, and how we can potentially fix it.