Does Chlorine In Swimming Pool Cause Any Harm To Your Body?

Chlorine in swimming pool

Does Chlorine In Swimming Pool Cause Any Harm To Your Body?

We all know the benefits of swimming, right. Swimming not only helps our body to be more supple and strong but also helps to slim the body. And the fact that we swim regularly is also a factor that helps us live longer. So how about regular exposure to chlorine chemicals in swimming pools affect our health? Let’s find out!

Swimming Pool contains amount of Chlorine

Swimming Pool contains amount of Chlorine

What is chlorine?

Chlorine is a chemical with very strong oxidizing and antiseptic effects so it is often used for disinfection and bleaching purposes. With such features, Chlorine is widely used in the fields of fisheries, textile, dyeing, water treatment and wastewater, swimming pools.

What is chlorine?

What is chlorine?

Currently, there are two types of chlorine chemicals that are free chlorine or hypochlorite. In the form of hypochlorite divided into 2 types: Hypochlorite sodium (NaOCl) in liquid form and Hypochlorite calcium [Ca (OCl) 2] in white powder form, with a stinging smell, when mixed with water with transparent color, taste. In order to disinfect and kill bacteria or inactivate microorganisms, people often use Hypochlorite calcium [Ca (OCl) 2] and apply it in aquatic production plants. And one more special thing is that, in any form of chlorine, whether pure or compound, when reacting with water, it produces a hypochlorite molecule that disinfects water with high treatment efficiency.

Benefits and Harms of Chlorine in Swimming Pools


– Swimming pools (especially outdoor pools) are considered one of the most polluted locations. These tanks are regularly exposed to the outside environment, easily infected by dirt, bacteria, spore algae in rainwater, and bird droppings. In addition to the pollution source, the swimming pool also includes microorganisms, the amount of oil excreted on the swimmer’s body such as sweat, cosmetics, sunscreen, urine, saliva, … Therefore, swimming pools must be chemically treated before use.

– An indispensable ingredient in swimming pool water often includes chlorine. This is the chemical used to disinfect and destroy the components that pollute the water.

Thanks to chlorine that kills pathogens and bacteria, swimming pools are a safe place to swim. And swimming pools that are not thoroughly disinfected will be the habitat for many types of bacteria such as Cryptosporidium – the main cause of diarrhea in humans or Chlamydia Trachomatis – the culprit of conjunctivitis in the eye.

Chlorine, the best way to clean water in swimming pool

Chlorine, the best way to clean water in swimming pool


Although there are great benefits to pool cleaning, if the pool contains too much chlorine it can also harm our body. Typically, it affects the skin, eyes, and also other dangerous harms such as:

– In water, chlorine reacts with sweat, urine, skin cells and other biological materials to produce all kinds of by-products. Animal studies suggest that some of these chemicals are linked to asthma and bladder cancer.

– Pool water dries out the skin. Chlorine causes severe dry skin, which is why some people find their skin itchy and red. It is, therefore, necessary to shower immediately after exiting the pool.

– Makes hair dry, brittle:┬áLike skin, chlorine causes dry hair. Soaking your hair in chlorinated water can damage your hair. Chlorine is also recommended by experts to make hair more brittle.

According to the web explanation of Columbia University, chlorine will separate the oil from the hair, causing the hair cuticles to lack cohesion, resulting in the hair’s outer shell being unprotected, easy to separate, creating fault.

Therefore, if you go swimming regularly to get healthier body, you also need to check the swimming pool where you swim to see if it is qualified for daily swimming or not.

We will teach you some ways to know if a swimming pool is safe or not as follows:

– If the pool has a characteristic shocking chlorine odor that makes you feel uncomfortable when you smell it, the water in the pool is not being treated well.

– When the water color is clear, the bottom of the tank is clearly visible, medium green, not cloudy or there is a new object that is a standard swimming pool. If the swimming pool is unusually blue (other than the sky), pay attention.

– Human is also one of the factors that make swimming pools “toxic”. Therefore, if the number of people entering the pool is too crowded, the water filter in the pool will not be able to filter in time to remove toxins.

– It is extremely important to wet your hair with plain water before going to the pool. Because water will often soak into the hair, it helps to minimize the risk of hair drying and damage due to the effects of chemicals in swimming pool water. Next, you should apply essential oils to your hair, apply from roots to ends, the essential oils covering the hair will be the “protective hat” for your hair from being frizzed. You can choose from essential oils such as almond oil, olive oil, coconut oil, sesame oil …

Before going swimming, do not forget to bring a swimming cap, it helps to minimize the risk of hair damage caused by the pool water. Rinse your hair with plain water immediately after swimming with shampoo and conditioner to eliminate chlorine chemicals in your hair. You can wash your hair with vinegar or lemon juice to balance the pH of your hair. Apply conditioner to your hair, leave it on for 15-20 minutes and rinse with plain water.

Swimming cap

Swimming cap

Note: For maximum protection for your hair from the “onslaught” of swimming pool water as well as chemicals in the water, every effort should be made to limit contact with the pool water. If your hair is too long, wrap it up before putting on a swimming cap.

– Apply sunscreen if it’s an outdoor pool – this is paramount. When applying the cream, pay attention to the ear, neck, legs and other sensitive areas of the body. Sunscreen will help prevent skin from darkening and eliminate the risk of skin cancer. Sunscreen should have an SPF of over 30 and be waterproof.

– Do not go to the outdoor swimming pool between 10 am and 3 pm because the ultraviolet rays from the sun are the most active, harming the skin.

– Also, before going to the pool, it is necessary to drink enough water that the body needs to not be dehydrated during swimming, as this has a direct impact on the beauty of the skin. When provided with enough water, the skin will be smooth and shiny. On the contrary, if you lack water, the skin will age, form many wrinkles and lose radiance. After swimming is complete, just like with hair, it is necessary to shower with shower gel and normal water to remove chlorine from the skin. A little extra balm or lotion can help increase the skin’s moisture barrier.

As such, the swimming pool contains chlorine for the purpose of disinfecting the swimming pool, minimizing inflammation after swimming, so do not worry too much about swimming every day. As long as you know how to properly take care of your skin and hair, you will not worry about split ends hair or darkened skin. And remember to choose swimming pools that are not too crowded and have proper disinfection procedures to ensure safety!


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