12 widgets you are still using but have no idea they have expired

There are items we are willing to accommodate for decades, but they have actually expired long ago.

Most of the current products are clearly printed. But besides, keep in mind, there are things that exist in our homes for decades, which seem to be usable.

Unfortunately, they may have expired for a long time without your knowledge.

1. Old oxygen - 2 months

Hydrogen peroxide - or old oxygen water can be considered a basic item in every household's medicine cabinet. However, be aware that just once open, your old oxygen bottle will be ineffective in just 2 months. Even even a sealed bottle has a shelf life of only 1 year.

So keep an eye on it and replace it regularly.

2. Training shoes - 6 months, or 400km

A lot of people now own a "period" training shoe, year after year.

It doesn't matter. But be aware that if the shoes are often used for practice, especially when running, it will deteriorate very quickly, from shockproof, shoe lining, shoe soles .

Basically, running shoes need to be replaced after about 6 months of use (if run regularly), or after about 400km of travel.

3. Sunglasses - 2 years

That's right, sunglasses also have a shelf. The greatest effect of sunglasses is to reduce light and block ultraviolet rays. However, ultraviolet rays work to erode the glasses, so over time, more and more rays pass through.

In general, the shelf life of sunglasses will depend very much on the quality of production. However, experts recommend that you replace the glass after 2 years of use.

4. Comb - 1 year

Types of combs - especially comb plots only have a shelf life of about 1 year, even if you clean them regularly.

5. Brush and suck chalk - 5 years and 6 months

With makeup brushes, you need to regularly clean them, the shelf life can be up to 5 years. But for makeup, you should replace them every 6 months. Your skin will appreciate it.

6. Slippers - 6 months

The shelf life of home slippers only falls for about half a year, before it becomes the ideal environment for bacteria and fungi to thrive.

7. Pillows - 2-3 years

Whether it is stuffed with feathers or normal cotton, a pillow is only used for 2-3 years. Over this time, the lice, dust mites began to appear and cause bad effects for your body.

8. Blanket - 7 years

The blanket is like a pillow, but has a longer shelf life - up to 7 years. Even if working hard on the sun, the shelf life can be up to 10 years.

But anyway, after that, you should buy a new blanket.

9. Mattress - 8-10 years

When buying new blankets, you should also consider buying the accompanying mattress, as the shelf life of the mattress is only 8-10 years.

But to achieve such expiry date, remember to turn the mattress, change face after every 6 months. Otherwise, the mattress will deteriorate very quickly.

10. Wooden cutting board - 3 years

Wooden cutting boards need to be replaced after 3 years, because that is when they become too sensitive to bacteria. Moreover, the appearance of the cutting board is also much worse because of moisture and knife marks during use.

11. Dishwashing sponge - 2 weeks

Research has shown that sponges are the dirtiest thing in every house. So to use it safely, you should replace it after 2 weeks.

12. Smartphone - 2-3 years

Even smartphones have a shelf. Although the device you bought was the most expensive and modern flagship of the time, it was only after 2-3 years that the degradation phenomenon began. The device will be slower, the performance will fall badly, not to mention the amount of battery life slipping.

The best option for you is to replace it with a new one.