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Does Eucalyptus Oil Kill Mould and Mildew?

eucalyptus oil

Eucalyptus oil is an essential oil known for its antimicrobial properties, but is it actually effective for killing mould and mildew?

Let’s find out: 

Does Eucalyptus Oil Actually Kill Mould?

No. In fact, no essential oil can actually kill mould, instead they are only useful to prevent or remove small patches of it.  

Eucalyptus Oil is a natural cleaner known for its powerful antimicrobial effects against many bacteria. It is also thought to have air purifying benefits – helping to kill moulds airborne spores.

While it doesn’t directly kill mould, eucalyptus oil inhibits mould from growing and producing new spores.  

A 2017 study found that eucalyptus oil has moderate antifungal benefits against two species of mould: Ulocladium and Coprinellus. However, eucalyptus oil had little to no effect on the growth of the other two species of mould tested in the study: Penicillium and Aspergillus. 

How To Remove Mould With Eucalyptus Oil

For small infestations on hard, non-porous surfaces, Eucalyptus oil can be useful as a natural mould remover. Just be careful using it on or near wallpaper and fabrics as it will stain.  

To remove mould with eucalyptus oil: 

  1. Mix one part eucalyptus oil, one part methylated spirits and two cups of water. 
  2. Apply the solution with a cloth or spray bottle and leave to dry. 
  3. Once dry, wipe off any residue. 

Before You Start, You’ll Need

Before attempting any form of mould removal, it is important to wear a mask, goggles and gloves as inhaling mould spores can be dangerous to your health. It is also wise to perform a small patch test first to check for damage or staining.  

Considerations For Using Eucalyptus Oil For Mould Removal

Eucalyptus Oil at the potency necessary to clean mould can be dangerous. Pharmacy grade eucalyptus oil contains 70% cineole/eucalyptol that can be toxic and potentially fatal. Not to mention it is also highly flammable. 

Other Essential Oils For Mould Removal

Essentials oils are a popular non-chemical solution to remove small spots or patches of mould.  

The potency of some essential oils can help inhibit mould growth and assist with mould and mildew issues. However, to successfully eradicate mould and prevent it from returning, you’ll need to identify and fix whatever’s causing it. 

These essential oils possess anti-fungal properties that may help remove and inhibit mould growth: 

For large or recurring patches of mould, seek out the help of a professional mould removal service to safely remove and treat the cause of mould. 

When To Call In The Professionals

If you are afraid of mould becoming a problem in your home and are looking for a long-term solution, be sure to call upon a professional team to help you.

The MouldMen team will inspect, treat and provide you with a Mould Management and Prevention Plan to ensure that your home is kept safe and free from mould. Call us on 1300 60 59 60 to book your free inspection today. 

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