Crystacide cream (Hydrogen peroxide)

How does it work?

Crystacide cream contains hydrogen peroxide, which is known as a disinfectant.

Hydrogen peroxide is kills many types of bacteria, and some fungi and viruses. It works by oxidising these micro-organisms.

Crystacide cream is used to disinfect and cleanse the skin, particularly to for wounds and burns that have become infected.

What is it used for?

  • Superficial skin infections such as impetigo and infected eczema.

How do I use it?

  • This cream is for external use only.
  • Avoid contact of this medicine with the eyes.
  • A small amount of Crystacide cream should be applied to the affected area two or three times a day, for up to three weeks.
  • Crystacide cream may form a dry film on the skin, this can be easily washed off with water.
  • The tube of Crystacide cream must be thrown away 28 days after opening.


  • This preparation may bleach fabrics.
  • Crystacide cream contains propylene glycol, which may cause skin irritation.
  • Crystacide cream also contains salicylic acid that may cause allergic dermatitis (an itchy red rash).

Not to be used in

  • People with large or deep wounds.
  • People using other agents such as iodine or potassium permanganate.

This medicine should not be used if you are allergic to any of its ingredients. Please inform your doctor or pharmacist if you have previously experienced such an allergy.

If you feel you have experienced an allergic reaction, stop using this medicine and inform your doctor or pharmacist immediately.

Pregnancy and breastfeeding

Certain medicines should not be used during pregnancy or breastfeeding. However, other medicines may be safely used in pregnancy or breastfeeding providing the benefits to the mother outweigh the risks to the unborn baby. Always inform your doctor if you are pregnant or planning a pregnancy, before using any medicine.

  • There are no known harmful effects when this medicine is used by pregnant or breastfeeding mothers. Seek medical advice from your doctor.

Side effects

Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Just because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

  • A burning sensation for a short time after application.

The side effects listed above may not include all of the side effects reported by the medicine's manufacturer.

For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can this medicine affect other medicines?

It is important to tell your doctor or pharmacist what medicines you are already taking, including those bought without a prescription and herbal medicines, before you start treatment with this medicine. Similarly, check with your doctor or pharmacist before taking any new medicines while using this one, to ensure that the combination is safe.

This cream should not be used with other skin preparations such as iodine, potassium permanganate which also work by oxidising the micro-organisms on the skin.

Other medicines containing the same active ingredient

There are currently no other cream preparations available in the UK that contain hydrogen peroxide as the active ingredient.

However, hydrogen peroxide is available as a solution.