The salt and ice challenge is a dangerous online trend where people place salt on their skin and then press ice on top. This combination causes a chemical reaction that rapidly drops the skin’s temperature. The result is a painful, severe burn that looks like frostbite. This is not a harmless prank. It is a way to cause real tissue damage that can leave permanent scars.
What Exactly Happens to Your Skin During the Salt and Ice Challenge?
When salt touches your skin and ice is added, the salt lowers the freezing point of the ice. This makes the ice melt faster than it normally would. The melting process pulls heat out of your skin much more quickly than ice alone.
Your skin cells freeze from the inside. This is called a cold burn or frostbite. The blood vessels in the area constrict sharply, cutting off circulation. Without blood flow, the tissue starts to die. This process can happen within minutes, not hours.
The damage is not limited to the top layer of skin. The cold can reach deeper layers, including fat and muscle tissue. This is why the injury often takes weeks to heal and leaves a scar.
What Does The Salt And Ice Challenge Do To Your Skin Compared to a Regular Burn?
A regular burn from heat damages skin by cooking the proteins in your cells. A cold burn from this challenge damages skin by freezing the water inside your cells. Both destroy tissue, but the mechanism is different.
With a heat burn, the pain is immediate and intense. With a cold burn, the area may feel numb at first because the cold numbs the nerves. Many people do not realize how bad the injury is until the skin thaws and the pain hits.
The table below compares the two types of injuries side by side.
| Feature | Salt and Ice Challenge (Cold Burn) | Typical Heat Burn |
|---|---|---|
| Cause | Extreme cold from chemical reaction | Direct heat from fire, liquid, or surface |
| Initial feeling | Numbness, then intense pain upon thawing | Immediate sharp burning pain |
| Depth of injury | Often deep, reaching fat and muscle | Varies from superficial to deep |
| Healing time | Weeks to months, often with scarring | Days to months depending on severity |
| Scarring risk | Very high | Moderate to high depending on depth |
What Does Research on the Salt and Ice Challenge Show?
There is no large-scale clinical study on the salt and ice challenge because it is a social media trend, not a medical treatment. The medical literature consists of case reports from emergency rooms and burn centers. These reports consistently describe the same pattern: deep frostbite injuries on the arms, legs, or torso of young people.
Research published in the Journal of Burn Care & Research documented several cases where the challenge caused second-degree and third-degree burns. In some cases, the skin turned black and died, requiring surgical removal. The authors noted that the injuries were often worse than expected because the cold penetrated deeper than visible damage suggested.
The American Academy of Dermatology has issued warnings about the challenge. They state clearly that the combination of salt and ice creates a risk for permanent scarring and nerve damage. No legitimate medical use exists for this practice.
What Are the Short-Term and Long-Term Side Effects?
The short-term effects are immediate and painful. Within minutes, the skin turns red, then white or gray. Blisters form as the skin cells die. The area swells and becomes tender. Some people report a burning sensation that lasts for hours after the ice is removed.
Long-term effects are more serious. The most common is a permanent scar that changes the texture and color of the skin. The scar may be raised, depressed, or discolored. Nerve damage is also possible, leading to numbness or tingling in the affected area for months or years.
In severe cases, the tissue dies completely. This is called necrosis. Dead tissue must be surgically removed. If the area is large enough, a skin graft may be needed. Infections are a real risk, especially if blisters break open and bacteria enter the wound.
Why Do People Try the Salt and Ice Challenge Despite the Risks?
Social media plays a large role. Videos of the challenge get millions of views on platforms like TikTok and YouTube. The content is often edited to look dramatic or funny. The pain and injury are downplayed or treated as a joke.
Peer pressure is another factor. The challenge is often done in groups. People want to prove they are tough or fit in with friends. The desire for social approval can override common sense about personal safety.
Some people report being misled about what the challenge actually does. They hear it is a “test of endurance” or a “harmless dare.” They do not realize the chemical reaction between salt and ice is what causes the burn. They think it is just cold on skin.
How Should You Treat an Injury from the Salt and Ice Challenge?
If you or someone you know has done the challenge and has an injury, the first step is to remove the ice and salt immediately. Do not rub the area. Rubbing can cause more damage to frozen tissue.
Warm the skin slowly using lukewarm water, about 100 to 104 degrees Fahrenheit. Do not use hot water. Do not use a heating pad or hair dryer. These can burn skin that has lost sensation. The goal is to thaw the tissue gently.
Seek medical attention right away. A doctor needs to assess how deep the injury is. Do not pop any blisters. Do not apply butter, oil, or home remedies. Keep the area clean and covered with a sterile dressing until you see a healthcare provider.
For mild injuries that do not require a hospital visit, keep the wound clean and watch for signs of infection. Redness spreading beyond the wound, pus, or fever all require a doctor’s visit. Even if the injury looks small, scarring is still possible.
Common Misconceptions About the Salt and Ice Challenge
One common myth is that the challenge is safe if you only do it for a few seconds. This is false. The chemical reaction between salt and ice starts immediately. Damage can begin in under 30 seconds, especially on sensitive skin areas like the inner arm or stomach.
Another misconception is that the pain level tells you how bad the injury is. Numbness from the cold can mask the true depth of the damage. A person might feel only mild discomfort while their skin is freezing underneath.
Some people believe that putting ice on salt is a valid treatment for muscle pain or inflammation. This is not supported by any medical evidence. Legitimate cold therapy uses ice packs or cold compresses without salt. The salt and ice combination is only used in chemistry experiments, not in medicine.
What to Avoid If You Are Considering This Challenge
Do not apply salt directly to your skin. Do not place ice on top of salt. Do not hold the combination in place with a bandage or tape. Do not try it on a friend as a “dare.” Do not film it for social media.
Avoid using the challenge as a way to “test your pain tolerance.” Pain tolerance is not a measure of toughness. It is a measure of how your nervous system responds to danger. Ignoring pain signals does not make you stronger. It makes you more likely to get hurt.
Do not assume that because the challenge is popular online, it is safe. Many viral trends are dangerous. Popularity does not equal safety. The medical community has been clear about the risks of this challenge for years.
Frequently Asked Questions
Can the salt and ice challenge cause permanent nerve damage?
Yes, the extreme cold can damage nerves in the skin and deeper tissue. This can lead to long-term numbness or tingling in the affected area.
How long does it take for a salt and ice burn to heal?
Healing typically takes two to four weeks for mild injuries. Severe injuries that involve deep tissue may take months and require medical procedures like skin grafts.
Is the salt and ice challenge illegal?
It is not specifically illegal in most places, but causing this injury to another person could be considered assault. Schools and youth groups often ban the practice under their safety policies.
Can you do the salt and ice challenge without getting hurt?
No, the chemical reaction between salt and ice always lowers skin temperature enough to cause damage. There is no safe way to do this challenge.

