After the toilet soap has expired, it cannot be used. After the soap has expired, the sterilizing and decontaminating substances in it have been decomposed, losing its own effect, and may also breed harmful bacteria, which may have a negative impact on human skin after use.
Storage Method
The soap will gradually undergo an oxidation reaction under light and air, which may decompose the unsaturated fatty acid substances in it. The affected soap should be sealed and placed in a cool place to reduce the contact with the air and inhibit the occurrence of the oxidation reaction.
Matters Needing Attention
After opening, the soap should be stored in a soap box, and it should be a soap box with a breathable and draining bottom, so that excess water can be placed on the surface of the soap, which may shorten the life cycle of the soap and cause unnecessary waste.
All in all, the toilet soap can not be used after the expiration date. The sterilization and decontamination effect of the toilet soap has disappeared after the expiration date, which is not conducive to normal use. The toilet soap should be stored in a cool place to avoid direct sunlight, so as to avoid the loss of the effect of the toilet soap. If it is a used toilet soap, it should be placed In the soap dish, avoid moisture build-up that can cause the toilet soap to soften.