Can I use bath salts after they have expired? What is expired salt used for

Yes, but sensitive skin is the main one, and it's easy to be allergic.

Anything will have *** as soon as it expires, and it's best not to use it.

Expired Salt Uses:

1. Consumption: Expired salt can continue to be eaten, but its iodine supplementation effect is missing, and long-term consumption is not recommended.

2. Sterilization: Salt has a good bactericidal and anti-inflammatory effect, which uses the osmotic effect of salt water, so that the fungi lose water and inactivate, and the iodine element has no drawbacks and is quickly closed, and expired salt can be used to soak feet, clean wounds, bath, etc.

The main ingredient of salt is chlorinated paib rent sodium, is the main salty taste, in the past edible salt is mainly salt, this salt only contains simple sodium chloride, this chemical is very stable, therefore, there is no shelf life, even if it is put for a long time wet salty taste is unchanged, in recent years, in order to achieve iodine supplementation, the state stipulates that iodine is added to salt, this salt has a shelf life.

Bath salts are used once a month.

1. Take a small amount of bath salts and dissolve them in the basin to act as facial cleanser, cleanser and other cleansing products, which are refreshing and clean, simple and trouble-free;

2. When taking a sauna, put the bath salts into a cloth bag and gently wipe the skin, which not only replenishes the salt lost in the body but also cleanses and beautifies;

3. Put the cloth bag loaded with bath salts and hang it on the spray head, which can easily and quickly achieve the skin care effect, take a little salt from the sponge and massage the whole body, and then rinse with water to achieve the same effect and stimulate the fruit;

4. Soak your feet in hot water for 5 minutes, rub the lead salt on the parts with thick skin, such as the heels and soles of the feet, massage in circles for 5 minutes, then wash with water, and then moisturize with body lotion.

Pure salt that has not been processed has no expiration date.

Because sodium chloride is relatively stable and will not decompose or volatilize over time, as long as you pay attention to the environment where the salt is located is not humid and polluted, it can be stored for a long time and can be eaten for a long time.

However, some processed salt, such as iodized salt, potassium salt, etc., have a certain shelf life, the iodine or potassium in this salt, exposed to the air for a long time, will cause insufficient content, salt can still be eaten, but the supplement of iodine and potassium will be affected.

The shelf life of iron-added edible salt is 1 year, the shelf life of selenium salt, calcium salt, and zinc salt is 8 years, while the shelf life of iodized edible salt is 18 months, and pure edible salt has no shelf life, even if it is damp, as long as it is not contaminated by toxins and radiation. Although salt, vinegar and other foods do not need to be marked with an expiration date, in order to maintain a good taste, it is best to use up within 1 year.

The salt at home can still be eaten after expiration. Iodine will evaporate slowly, and salt will clump, but it will not affect consumption. Whether it is simple salt or iodized salt, how long it is put does not affect the consumption, iodized salt has a shelf life, mainly because the iodine component is easy to be oxidized and decomposed, after 18 months of shelf life, the iodine component is very low, can not play the role of iodine supplementation.

Stir-fry with salt: The iodine element in iodized salt is added in the form of the compound potassium iodate, the nature of potassium iodate is relatively stable, and during the cooking process, potassium iodide will be decomposed into iodine and volatilized at high temperature. When stir-frying, put the salt into the pan as soon as the oil is hot, and the temperature is very high, which will cause the iodine element to volatilize.

When stir-frying, try to add salt when the dish is about to come out of the pan, so as to ensure that iodine is less volatile.

Most people think that table salt for household use does not expire and will always be salty no matter how long it is sitting. This is because the main chemical component of table salt is sodium chloride, which is the main salty taste. The chemical properties of sodium chloride are very stable, and it is impossible to change the saltiness no matter how long it is stored.

But being salty doesn't mean it's not spoiled. Because salt contains potassium iodide in addition to sodium chloride, although the properties of potassium iodide are relatively stable, but in the case of light, wind and heat for a long time, the iodine element in potassium iodide will also reduce the iodine content in the salt due to volatilization, affecting the effect of iodine supplementation. Therefore, salt has a shelf life, and its storage time should not be too long, and three years is appropriate.