很多人以为，卫生纸只要没有拆封，就可以放在家里慢慢用，其实错了。
卫生纸也有保质期。不少商家为了赶在卫生纸保质期内把库存销完，往往会进行降价促销。这时消费者要擦亮眼睛，不要一味贪图便宜。
卫生纸的生产全过程都是在高温下完成。包装不及时或储藏得不好，会使纸张受潮或污染。过了保质期的卫生纸容易滋生细菌，很容易变成“不卫生纸”。
一般正规品牌的卫生纸，在外包装上都会注明生产日期和保质期，这是国家产品标识明令规定的。
在干燥、通风的保存条件下，一般卫生纸的保质年限是2~3年。

A lot of people think, toilet paper wants to be not opened only, can put in the home to use slowly, was wrong actually.

Toilet paper also has a shelf life. Many businesses in order to catch in the toilet paper shelf life of the inventory sold out, often will carry out price promotions. At this moment consumer should polish an eye, do not blindly covet cheap.

Toilet paper is manufactured at high temperatures. Untimely packing or poor storage will cause paper moisture or pollution. Over the shelf life of toilet paper easy to breed bacteria, it is easy to become "not toilet paper."

General normal brand toilet paper, in the outer packing will indicate the production date and shelf life, this is the national product identification regulations.

In dry, ventilated storage conditions, the general shelf life of toilet paper is 2~3 years.