Fact Checkup
First aid
FC-0017 · First aid28 Sep 2026

Claim

You should immediately apply toothpaste on a burn.

VerdictFalse
Can be harmful

Checked against lsebn.nhs.uk

Do not apply toothpaste on a burn. Cool the burn with running cool tap water for 20 minutes if it is within 3 hours, then cover it loosely and keep the person warm.

What experts say

  • Toothpaste should not be put on a burn.1
  • Cool the burn with running cool tap water for 20 minutes if it is within 3 hours of the burn.1
  • Do not put ice or butter on a burn.1
  • Remove clothing, jewellery or diaper from the burnt area.1
  • Cover the cooled burn with loose clingfilm or a clean, non-fluffy cloth and keep the person warm.1

Why people believe it

Many families have heard that toothpaste cools a burn or stops it from blistering, so they use it quickly in a panic.

What to do

  • Cool the burn with running cool tap water for 20 minutes if it is within 3 hours.1
  • Do not apply toothpaste, ice or butter.1
  • Remove clothing, jewellery or diaper from the burnt area.1
  • Cover the cooled burn with loose clingfilm or a clean, non-fluffy cloth. Keep the person warm and get medical advice or emergency help if needed.1

Sources

  1. 1Patient Information — London and South East Burn Networklsebn.nhs.uk

Updated 28 Sep 2026

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