Food grade citric acid. Citric acid is often added to packaged foods and beverages. It helps keep canned and canned foods fresh for a long time. It can prevent some freshly cut agricultural products, such as apple slices, from turning brown. Citric acid can also help food thicken or make food slightly sour. This is why you may see citric acid listed as an ingredient in some ice creams, smoothies or sodas.


Citric acid can balance the acid in food or drink. Winemakers sometimes add it to products to improve the taste.

Some creams contain citric acid, which helps clear skin infections. Oral other citric acid drugs can reduce the acid content in the urine. This helps prevent kidney stones. You can also take citric acid to treat metabolic acidosis, which is an acid that accumulates in the body.

Some people take calcium citrate supplements, which help prevent kidney stones.

Personal care products

When manufacturers mix citric acid with other ingredients, they can form a compound called “alpha-hydroxy acid” to help smooth your skin. In some cosmetics and cosmetics, such as lipstick, hair, spray and deodorant help them last longer.

Household cleaners

Because citric acid erodes the accumulation of hard water, you will often see it in dishwasher cleaners. Other household cleaners also use it as an ingredient because it can help remove stains and odors.


Since citric acid can kill certain types of bacteria and viruses, you can find it in insect sprays, products that kill fungi or algae, hand sanitizers, and even some paper towels for blowing your nose.

Environmental purification products. Citric acid can safely remove toxins from contaminated soil and can even remove nuclear waste.

Food grade citric acid.There are many reasons for adding citric acid to food, medicine, or other products. it can:

Preserve food

It is used to keep food fresh for a long time. In some cases, it can prevent foodborne botulism, which may be caused by low-acid home canned food.

Save personal care products. It can keep cosmetics and other products fresh for longer.

It has a protective effect on the body. Citric acid used in medicine can kill bacteria and reduce acid in urine.

Remove stubborn stains

Therefore, it is added to some cleaning products.

The FDA stated that citric acid is “generally considered safe” in food and skin products. Nevertheless, some experts believe that more research is needed.

Skin irritation. When it touches your skin for a long time, it can cause stinging, swelling or hives.

Eye pain. If it gets into your eyes, it will burn. If this happens, rinse with water for a few minutes. Or if you wear contact lenses, please remove them as soon as possible.

Dental problems. Drinks and sweets that contain citric acid will wear away the enamel (outer layer) of teeth. This will make your teeth more sensitive, yellow, and more prone to tooth decay.

stomachache. If you take a medicine containing citric acid by mouth, you may have side effects such as nausea or vomiting.