What is Castile Soap and Why You Need It?

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Castile soap has been around since the late 1800s and originated in the Castile region of Spain. If you didn’t already know, Castile soap is completely different from the traditional soap that you’ve been using for decades.

Instead of being made from animal fat, castile soap is made from simple plant oils mixed with lye and can come in a solid or liquid form. It’s basically a vegan product that is a gentle disinfectant, and not antibacterial soap.

In other words, it removes bacteria but doesn’t necessarily kill all of them. So, let’s get to know more about Castile soap and several ways you can use it around the house.  What is castile soap? How do you use it?

Benefits to Make a Switch

It has Minimal Impact on the Environment 

Are you still wondering…what is castile soap? One reason why you should make the switch to Castile soap is that it has minimal impact on the environment.

Many soaps that we use contain toxins and chemicals, and we don’t fully know the long term effects that they may have. Studies have shown that these chemicals that we allow on our skin are actually more dangerous than swallowing them. 

Safe For Sensitive Skin

While Castile soap is a strong cleanser, it’s also very gentle. That means that it works great on your skin, even if you have skin allergies or sensitive skin. Using Castile soap will keep you from having any break-outs or rashes like many traditional soaps can cause.  

Multipurpose Cleaning Agent

Get tired of having to buy all those different cleaners that only work on a select few problem areas around your house? Instead of having a cleaning cabinet that’s filled with sprays and different household cleaners, choose to use Castile soap. It’s versatile and works on a wide range of areas around your home. 

Castile Soap’s Many Purposes

Shampoo or Body Wash 

Instead of having to go out and buy a bottle of shampoo and also a bottle of body wash, how about using Castile soap instead. It’s like a 2 in 1 deal. If you do happen to have sensitive skin, Castile soap is a great body wash to turn to.

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If you happen to have died your hair through a colored hair treatment, you don’t want to use Castile soap at the present time. It can cause the colors to bleed out, leaving you not very happy. 

Shaving Cream

Castile soap lathers up nicely and leaves a clean, smooth shave without irritating the skin. 

Brush Your Teeth 

Looking for another way to put your Castile soap to use? Experts say that you can even brush your teeth with it, as it will leave your mouth, tongue, teeth, and gums clean and fresh.  

Laundry Soap

Using only half a cup of Castile soap can help do your laundry, and possibly preventing your clothes from causing you to break out. 

Dish Detergent

Not only can you clean your laundry with it, but also use it to clean your dishes in an all-natural way. It only takes a few drops of it to have those dishes shining in no time.  

Countertop Cleaner 

Castile soap is a cleaner that is safe to use on a number of countertop surfaces. Simply add ¼ of a cup of Castile soap, with 1 qt of warm water, and mix them together in a spray bottle. You can use it on a number of surfaces around your home. 

Cleaning Windows

While Windex and other window cleaners certainly do a good job freshening and shining your windows, these spray cleaners can’t do much else.

Instead of having to pick up a bottle from the store, Castile soap can do that same job for you, and several other tasks as you have already seen.

Use 1 tablespoon of Castile soap and add it to 1 quart of water. Then you can rinse it off using soda water, and drying your windows with newspapers. 

Insect Repellent for Plants

Castile soap has been proven to keep insects away from your vegetable garden. Simply spray your plants, and you won’t have to worry about insects munching on your valuable vegetables again. 

Fruit and Veggie Wash

Using Castile soap is an effective and safe way to wash your veggies. You can rest assured that no toxins will be on your vegetables. 

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Cleaning with Castile Soap and Vinegar

White vinegar is a cleaning agent that works well alongside several other cleaners, it does not work well mixed with Castile soap. That’s because the vinegar breaks down the soap, returning it to its original oily state. Basically, you’ll be left with an oily substance that’s ineffective, on top of what you’re trying to clean. 

You can use both cleaning agents while working on cleaning up an area, just make sure that you clean with the castile soap first, and then wash it off. Now you can use vinegar to help remove any other traces of dirt or stain. 

What to Know When Heading to the Store

Best Brands to Buy

If you’re looking for the very best Castile soap out there, we recommend you getting a bottle of Dr. Bronner’s, that comes in many different scents.

You can get it in peppermint, rose, lavender, and almond fragrance. It also works great if you have sensitive skin, or while using it on your baby. 

Another soap brand that works great, Real Castile Bar Soap, is the perfect soap for the shower. Follain is one of your more pricier options, but it too is among the best.  

Be Careful When Buying Castile Soap

Here’s a word of warning when you head to the store to pick up your Castile soap. Just because it says on the box that it’s Castile soap, doesn’t mean that’s what you’re getting. Some companies out there still like to sneak in other ingredients such as sulfates, artificial fragrances, and triclosan into its mix. 

Final Word

So, now that you have a better understanding of what this soap is, are you considering making the switch to it? If you’ve used castile soap for a number of functions in your home, tell us about how you use it. 

I hope this answers your what is castile soap questions! May God bless this world, Linda

Cleaning Your Home

21 thoughts on “What is Castile Soap and Why You Need It?

  • December 17, 2019 at 7:37 am

    I use Bronner’s mostly for making our own foaming soap. I like it , but I don’t care for the scents. Most of them smell the same to me. I finally bought the “baby.” I know one can add essential oils but that increases the cost. The citrus isn’t too bad, but nary a rose petal is in the rose. 🙂

    • December 17, 2019 at 10:24 am

      Hi Diana, I like lemon and lavender. I’m not much for rose smells either, except outside in my yard. LOL! I will try the baby one, that’s a great idea. Linda

    • July 15, 2021 at 6:02 pm

      HI Diana, I thought I’d let you know that they come in a wide range of scents and even plain old unscented, I searched the other day because I have several small bottles of the Hemp/Almond and really don’t like it. I also have a Peppermint bottle and it smells much better. I found a website that sells from the smallest bottle, less than 4oz, to gallon jugs. I found that it also comes in a citrus scent. Check out the search engine of your choice and see what you find. I think you’ll find something you might like. Good luck. I use what I use what I have at the bathroom sink to wash my hands.

  • December 17, 2019 at 12:23 pm

    Another endorsement for Dr. Bronner’s. I like the lavender, too–and have also tried the hemp tea tree, a rather neutral “clean-fresh” scent. What’s the “baby” like? Is it unscented, or like baby oil or baby powder?

    And another use for castile soap (solid or liquid)–it cleans leather beautifully. Use as little water as possible, work over the leather to suds out the dirt. Then wipe over with a clean damp sponge or cloth to remove any remaining soap. The leather will generally need a conditioner since the soap does remove some oil, and of course in the case of shoes/boots, re-polishing once completely dry.

    • December 17, 2019 at 12:28 pm

      Oops, should have added that I meant cleaning smooth or full-grain leather. I haven’t tried it on suede, although I suspect it would work. I know many years ago a tack store owner (from whom I learned many good tips!) said to use Woolite on a suede coat, so I can’t believe Castile soap would be any more damaging–though he did say to put a capful or two of Lexol leather conditioner in the final rinse to keep the suede supple.

      • July 15, 2021 at 6:06 pm

        Hey Linda, this is nice to know. I have a pair of suede winter boots that need a good cleaning and I think I’ll see how well it works. thanks for this info. I’ll let you know how the turn out.

    • December 17, 2019 at 1:42 pm

      Hi Rhonda, I love hearing this. I have used it on my leather couches, I need to grab a bottle of the hemp tea tree one. Love it! Linda

      • February 27, 2020 at 4:56 am

        Hi Davette, yes, I thought maybe some people would like the unscented version. I like most all the scents but I realize some people like unscented soap. Great comment, Linda

  • December 17, 2019 at 2:26 pm

    I use the peppermint Bronner or washing my salad greens. Lavender out in the yard. I wonder if a squirt of two of the peppermint might keep mice away?

    • December 17, 2019 at 3:40 pm

      Hi Linda, great tips on the peppermint and lavender. It would be worth a try using the peppermint for mice!! Linda

  • December 17, 2019 at 10:33 pm

    Now I am thinking that some castile soap bars might be a nice Christmas gift and maybe something to keep on hand to present to anyone who shows up or people I just happen to like and want to give them something.

    Maybe that and a good book on prepping by our website hostess. 🙂

    • December 18, 2019 at 7:31 am

      Oh Frank, you are so darn cute!! You know I love your comments! You made my day, my friend, Linda Happy Holidays!

  • December 19, 2019 at 5:32 pm

    I’ve been using Dr. Bronner’s since 1978, but I recently mixed it 50/50 with water in an empty foaming hand soap container & voila! Rich, creamy, non-toxic, cruelty-free soap that doesn’t dry out our skin. I love the citrus best, and I’ll never use anything else again. Also, because it’s so concentrated it takes up less room to store.

    • December 19, 2019 at 6:16 pm

      Hi Roxanne, I want to buy a foaming hand soap container and do this!! Great tip! Linda

  • September 28, 2020 at 2:29 pm

    Thank you Linda! My daughter in law has been using this soap, so I figured I’d give it whirl. I hadn’t seen this before I bought it, but I certainly got ideas I never would have thought of. I love your posts!

    • September 28, 2020 at 5:46 pm

      Hi Gabby, oh thank you so much! The nice thing about Castile Soap is it goes really far by being diluted!! It’s all about saving money! Stay safe, Linda

  • March 19, 2021 at 2:12 am

    I recently found some on Walmart – free shipping and cheaper than Amazon right now which is a GREAT thing! Thank you so much for sharing these posts.

    • March 19, 2021 at 4:58 am

      Hi Martha, WHAT? Walmart sells Castile soap?? I love hearing this, thank you for letting us know!! Thank you for your kind words.Linda


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