Opening Hours: Sun-Sat (All Day) : 9 am–5 pm

The Complete Guide to Cleaning with Castile Soap: Tips, Tricks, and Techniques

Cleaning Advice / February 21, 2024


Have you ever struggled to remove tough stains or leave surfaces streak-free? Castile soap can be the solution you’ve been looking for. This natural, versatile cleaner made of plant oils can tackle many cleaning tasks effectively yet gently. Read on to discover the complete guide to harnessing the cleaning power of castile soap.

What Is Castile Soap?

Castile soap has a long history, originating in the Castile region of Spain where olive oil was abundant. Traditionally, castile soap was made from 100% olive oil. Today, vegetable oils like coconut, jojoba, hemp, or almond oils are also used.

True castile soap contains no synthetic detergents, just fats or oils combined with an alkali like sodium hydroxide. This gives it a gentle, pH balanced formula. The lack of chemicals and additives makes it biodegradable and environmentally friendly.

Benefits of Castile Soap for Cleaning

There are many excellent reasons to choose castile soap for eco-friendly cleaning:

  • Gentle yet powerful formula dissolves grease and lifts dirt. The fatty acids in the oils act as surfactants to break up grime.
  • Versatile for use throughout the home on most water-safe surfaces.
  • Non-toxic and safe for family and pets compared to harsh chemical cleaners. Especially important for homes with babies or children.
  • Biodegradable and septic-safe. Won’t harm ecosystems or clog drains.
  • Unscented varieties avoid synthetic fragrances that can trigger allergies or headaches. Or choose light, natural essential oil scents.
  • Economical concentrated formula lasts, especially when diluted in water. A little goes a long way.
  • pH balanced and vegetable-based oils are gentle on hands. No need for gloves.

Tips for Using Castile Soap Effectively

Follow these handy tips and tricks to get the most from your castile soap for cleaning:

  • Dilute it. Castile soap is concentrated, so dilute it with water in a spray bottle for general-purpose cleaning. Start with a 1:3 soap to water ratio and adjust as needed.
  • Mind the variances. Not all castile soap is created equal. Potency and thickness can vary by brand. Test dilution ratios with new brands.
  • Shake it up. Give diluted castile soap a good shake before each use to disperse the soap evenly for best results.
  • Add vinegar. For extra cleaning and degreasing action, add a tablespoon or two of white vinegar to the soap dilution.
  • Squeeze it out. To prevent dripping and wasting product, store castile soap upside down so you can squeeze the liquid soap from the bottom.
  • Try different oils. Experiment with castile soaps made from different plant oils to see which works best for your needs. Coconut oil is great for degreasing.
  • Spot test first. When cleaning more delicate surfaces like granite or hardwood floors, test castile soap in an inconspicuous spot first.
  • Use for laundry. Add a few drops of liquid castile soap to your washing machine with baking soda for a non-toxic laundry booster.

Best Uses for Castile Soap Around the Home

With the right dilutions and techniques, castile soap can be used in nearly every room of the home. Here are some of the top uses:


Great for removing baked-on grease, food spills, and stains from dishes, countertops, appliances, sinks, and more. The fatty oils help dissolve oil-based grime.


Cuts through soap scum, mildew, and grime on tile, tubs, showers, sinks and more. Also great for mopping floors. The natural antibacterial properties inhibit mold and bacteria.


Removes dirt, smudges, dust, and film from windows and mirrors without streaking or leaving residue. Use a very diluted solution.


From vinyl to concrete and more, castile soap gently cleans all types of hard floors. Great in a mop bucket or cleaning machine. Rinsing prevents streaks.

Wood Furniture

Mix castile soap with olive oil and warm water to make furniture polish and cleanser. Removes dust, fingerprints, and dirt buildup.


Use a few drops to boost regular detergent as a chemical-free booster for stained clothes. Also great for hand washing delicates.

Patio & Outdoor Areas

Powerful on outdoor grime like dirt, mildew, grease stains. Also effective for cleaning tools, lawn furniture, grills, and more.

Walls & Painted Surfaces

Gently cleans walls, baseboards, painted trim, and more to remove scuffs, marks, dust, and dirt. Safe for most paints.

Hands & Body

The gentle plant oils moisturise as they eliminate odors, grease, grime from hands. Can also be used for body washing.


Use a mild dilution to gently wash pet bedding, crates, litter boxes, and pet messes on floors or carpets. Safe for pets when diluted.

DIY Recipes with Castile Soap

One of the best aspects of castile soap is its versatility. You can make your own custom cleaning products by adding essential oils, salt, baking soda and more. Here are some recipes to try:

All-Purpose Cleaner

  • 1/2 cup castile soap
  • 1/4 cup vinegar
  • 20-30 drops essential oil (optional)
  • 2 cups water

Combine in a spray bottle, shake well before use. Spray and wipe clean with damp cloth.

Foaming Hand Soap

  • 1/3 cup liquid castile soap
  • 2 teaspoons glycerin
  • 1/4 teaspoon vitamin E oil
  • 15-20 drops essential oil
  • 2 cups water

Mix together thoroughly in foaming dispenser bottle. Shake gently before each use.

Scrubbing Cleanser

  • 1 cup castile soap
  • 1/4 cup baking soda
  • 10 drops lemon essential oil

Mix into a paste, rub into surfaces with damp sponge or cloth, rinse thoroughly.

Natural Drain Unclogger

  • 1/2 cup baking soda
  • 1/4 cup salt
  • 1/4 cup vinegar
  • Boiling water

Pour baking soda and salt down drain. Add vinegar and let fizz, then pour boiling water. Flush with cold water.

Mold & Mildew Spray

  • 2 cups water
  • 3 tablespoons castile soap
  • 1 cup vinegar
  • 15 drops tea tree oil

Combine in spray bottle. Spray on moldy surfaces, let sit 5 minutes, wipe clean. Repeat as needed.

Castile Soap for Cleaning FAQs

Still have some questions about using castile soap for household cleaning? Here are answers to some frequently asked questions:

What’s the difference between liquid and bar castile soap?

Liquid castile soap is already diluted with water so it’s faster and easier to use. Bar soap requires grating and dissolving in water first. Both forms work well.

Does Castile soap expire or go bad?

Like any natural product, castile soap has a limited shelf life. Properly stored, liquid castile soap lasts 12-24 months and bars 1-5 years. If it gets thick, gloopy, or moldy, it has expired.

Can I use castile soap on my hardwood or laminate floors?

Yes, diluted castile soap and water works well to safely clean sealed hardwood, laminate, and other floors. Be sure to use a very mild dilution and wipe up excess moisture.

Is castile soap safe for cleaning fruits and vegetables?

Basic unscented castile soap is safe for washing fruits and veggies. Avoid using castile soaps with added ingredients like oils, butter, or glycerin as these can leave residue.

Can castile soap sanitise surfaces?

Castile soap does have antimicrobial properties, however it does not adequately sanitise surfaces. Use other cleaners like vinegar, hydrogen peroxide or bleach if disinfecting is needed.

Discover the Power of Castile Soap

Castile soap is truly one of the most versatile, eco-friendly cleaners out there. With its plant-based gentleness yet grease-dissolving strength, castile soap can tackle nearly any cleaning chore safely and economically. Try out the various tips, tricks and DIY recipes to harness the cleaning power of castile soap all around your home. Contact Eco Cleaning Brisbane for more customised cleaning solutions using eco-friendly products like castile soap. Our professional team serves Brisbane with over 20 years of cleaning expertise.

© Copyright 2024. All Rights Reserved by Eco Brisbane