Does applying toothpaste help with burns?

Whether or not to apply toothpaste after a burn depends on the severity of the injury. In mild cases, toothpaste may temporarily relieve the sensation of heat; however, for more severe burns, applying toothpaste is not only ineffective but may also worsen the condition. The detailed analysis is as follows:

If the burn is minor—characterized only by redness and a slight burning sensation without blisters or broken skin—applying a simple-formula toothpaste may provide temporary relief due to its cooling effect. However, it's important to choose a non-irritating, particle-free toothpaste and closely monitor the skin afterward. If redness or irritation increases, the toothpaste should be washed off immediately.

In more serious burns involving blisters, broken skin, or even scab formation, toothpaste must never be applied. Ingredients in toothpaste such as abrasives and fragrances can irritate the wound, cause pain, hinder heat dissipation, increase the risk of infection, and leave residue that interferes with a doctor’s assessment of wound depth, thus affecting subsequent treatment.

It is essential to raise awareness of burn prevention and exercise extra caution when using hot water or electrical appliances. After a burn occurs, first calmly assess the injury. For minor burns, toothpaste may be used cautiously for temporary relief, but for severe burns, scientifically sound first-aid procedures should be followed.