Must check when purchasing refill products

This is the content I saw on the broadcast this morning.

When purchasing refill products such as shampoo or fabric softener, be sure to check and verify before buying. Many people think that refill products are cheaper than the original in plastic containers because they come in plastic bags, not bottles, but there is a catch. It turns out that some refill products are actually 34% more expensive than the original. Although the price is lower than the original, the volume is smaller. Therefore, it is important to carefully examine the price per liter indicated on the product and compare before making a purchase.

The photo below is unrelated to the above content ^^