DIY Cardboard Soap Mold - Cheap Fast & Easy!

In this video, I show you how to make your own soap mold using a recycled cardboard box!
It’s easier than building a mold out of wood, cheaper than buying a wood or silicone mold online, and much faster than both.
This is the best option for an affordable soap mold, especially if you need a soap mold right away for a special project. You might not even have to buy anything if you already have the supplies on hand!
SUPPLIES LIST:
• Sturdy cardboard box (mine is 9.5" x 9.5")
• Extra pieces of cardboard
• Box knife
• Tape
• Ruler - amzn.to/2ZPt3Lo 💗
• Freezer paper (I use the 18" wide, but the 15" wide is cheaper)
15" Freezer Paper - amzn.to/36hWt76 💗
• Cutting mat
(Mine's a quilting one, but you can use a cutting board to save $)
• Scissors (helpful)
For your box, you can use any sturdy box that has the dimensions you are looking for. You can use boxes from your local grocery store or even used shipping boxes from an online order.
I also show you how to line your soap mold using freezer paper so it won’t leak. If you don’t want to use freezer paper, a clean trash can liner will work.
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If you don't want the hassle of trying make and line your own soap mold, here's an inexpensive silicone mold. I have a couple of these that I use for my goat milk soap and I LOVE them! One of these molds will give you 10, 1-inch bars.
CHEAP SILICONE SOAP MOLD: amzn.to/2tqSmqI 💗
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Lining the soap mold starts at: 3:23
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How to calculate the amount of soap your mold will hold:
1) Find out how many cubic inches your mold is by multiplying the length x width x how high your soap will be in the mold.
2) Multiply your cubic inches by .554113 and that will give you the fluid ounces to adjust your recipe to. (Just make sure to double check it for the correct amount of lye before you start making soap!)
Example:
My mold is 9.5” x 9.5” and I want my soap to be 2” tall. (9.5 x 9.5 x 2 = 180.05 square inches)(Take 180.05 x .554113 = 100.02 fluid ounces) The total volume of your recipe would be 100.02 fluid ounces.
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WEBSITE:
soapauthority.com
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NOTE: This description may have affiliate and/or sponsored links that allow you to easily locate some of the items mentioned in this video. It’s a way you can help support the educational content my channel provides - at no extra cost to you. While this channel may earn minimal compensation when links are used, you are in NO WAY obligated to use these links. These products are identified by a "💗" symbol. Your support is very much appreciated!

[@suziex4567]

That’s the best freezer paper fold I’ve ever seen. It was slow when slow was needed and fast when fast was needed. I just got a great box and I have anxiety just thinking about folding the freezer paper in it. I usually get frustrated and end up with wrinkles in my soap. But you made it simpler for me to follow. Thanks ever so much. I’d love to get one of those fancy wooden boxes but funds are low. This will be great for me. I wish I could give you more likes. lol 😆 🥰

[@SoapAuthority]

I'm so glad you found it helpful! It does take a little practice and the tightly curled end of the paper roll can be a pain, but it's totally worth it to have nice smooth soap. More likes... haha! You are the best! :)

[@jennyolaechea9867]

Hello, you mean that brand freezer paper specifically? thanks so much!!

[@myssblairbear]

Erm I've never done this before but I wana try until then.I cannot afford my slab molds yet. How often do you change the paper? And is the box re-useable?

[@lauren8143]

This was the smartest paper lining video I've seen yet, to not press the second inner corner fold until your liner is in place and you're sure of the fit. So simple, yet brilliant! Thank you so much--truly helpful!

[@SoapAuthority]

I'm glad you found it helpful! I really struggled with lining my molds when first starting out and I'm happy to share what worked best for me.

[@nurseorganics1589]

Thank you so much for this.

[@karellarsen939]

Thank you this information! It takes soaping to new way of container usage! Bless you for showing us your technique❣️❤️❣️

[@SoapAuthority]

You are welcome! I am so glad you found it helpful. :-)

[@mrsjokerstout]

This seems like an amazingly frugal way to get a slab mold without spending $35 and up! Been wanting to try some slab techniques for 2 years, and then this popped up! Thanks for sharing your knowledge! It fills me! It is neat! Lol.

[@SoapAuthority]

You are welcome! I hope you get to try it out. 😄

[@ronnoelcocaso8231]

I loved the way you folded the paper without cutting it at the corners. Thanks for the tip on the shiny side up!!! I was looking for that.

[@SoapAuthority]

Thank you! I am glad you found the answer you were looking for.

[@ultraviolet663]

Beautiful !

[@selmacristinadossantos8004]

Thanks for teaching

[@Bathematics101]

I SO love the way you lined your mold. I have to try that, for sure! Awesome! :-)

[@SoapAuthority]

Thanks! So far, it has worked very well. :)

[@ProverbsSixteen3]

excellent - thank you

[@sheilaagonia6933]

thank you for sharing.. your such a blessing...

[@SoapAuthority]

You are welcome! I'm glad you found it helpful. :)

[@ashleybowles7732]

Thank you for the inspiration.

[@SoapAuthority]

You are welcome, Ashley!

[@thenaturalgemini]

This video is great. Every question that popped in my mind while watching this was answered.

[@SoapAuthority]

Awesome! I'm glad to hear it!

[@Foxyfeline99]

Thanks for validating an idea I had been mulling over today!

[@SoapAuthority]

You're welcome! I'm happy you found it helpful!

[@reshmag3271]

Very helpful

[@jennyolaechea9867]

It's grea!! thanks for sharing!!

[@SoapAuthority]

You're welcome! :-)

[@aartijainric]

This is amazing 😍

[@SoapAuthority]

Thank you!

[@peterm7915]

Best one yet! :)

[@SoapAuthority]

Thanks! I'm happy you found it helpful. ☺️

[@violetcarson5532]

Wooooow awesome 😊. The music is beautiful as well. Thank you for this video. It is most helpful to me.

[@SoapAuthority]

I'm really glad it was instructive. I sure had a heck of a time when I first tried to figure out the best way to do it!

[@violetcarson5532]

@@SoapAuthority I can believe that. You did an awesome job though. I'm glad you figured it out and was able to get it done 😊

[@SoapAuthority]

@@violetcarson5532 Thank you!

[@chibimuffin2247]

This would be a great idea to try making a large silicone tray template cast with multiple custom cavities instead of singles. Wooden trays are too expensive, and lord knows I've got plenty of cardboard boxes lying around... Thank you!

[@SoapAuthority]

Chibi Muffin Hey, that does sound a great idea to recycle and save some cash! My home collects cardboard boxes, too. 😂

[@lk-fr2ky]

Can we use butter paper.?

[@SoapAuthority]

I haven personally tried it myself, but it might work. If you wanted to experiment, the two issues you might have is leaking and/ or the paper sticking to the sides of the soap. As long as you are prepared to deal with those issues, you could try it with a small batch.

[@lindasrealcooking4547]

Love this Cheap way of using cardboard box’s I watch u before I like white soaps coco butter a tan r yellow soap show me video of this I’m née at this

[@SoapAuthority]

Thank you! Yes, I like those type of soaps too, especially cocoa butter. That would make a great video. 🙂

[@violetcarson5532]

May I ask, What is the name of the song, it's beautiful?

[@SoapAuthority]

It's a compilation of several songs from Cherne Beats. I seriously can't remember what I added, and when I get back into the video file, there is no way to see what music titles I uploaded... such a bummer! I really love them too. :)

[@violetcarson5532]

@@SoapAuthority okayyyyyy 😁 that's fine. I wrote down the name. I will search for it. Thank you for replying to me. I appreciate it so much.

[@elizabethmentink9434]

What if you need 2 sheets of freezer paper? My box is a bit bigger?

[@SoapAuthority]

Great question! You could tape the freezer paper together on the backside with some overlap. As long as you don't pour your soap too thin, it should be OK with little to no leakage. Maybe put an old towel underneath to make sure nothing gets on the counter top or table.

[@pearlssoapery702]

Nice video. Would you happen to have an easy cheaper method of cutting soap?

[@SoapAuthority]

The cheapest way I have found to cut even bars of soap that isn't a total pain is using a $20 cheese slicer. It's the kind with the swinging arm that's attached to either a wood or marble base. I put a piece of tape on one side and used a marker to draw a line at the one inch mark so my bars are consistent. Any cheaper than that and it gets a lot harder.

[@anamazhar7516]

Alternative of freezer paper?

[@SoapAuthority]

Yes, the thin translucent trash can liners work well too!

[@TheRealZeeNkosi]

@@SoapAuthority Can I use baking paper?

[@SoapAuthority]

@@TheRealZeeNkosi If you use baking paper, it might leak through and will probably stick to the soap and be harder to get off. You may end up having to cut it off of the soap.

[@ashokmahajan8920]

Can we use butter pepper

[@SoapAuthority]

It's possible the soap would stick to it or leak, so if you are prepared for those two possibilities you could try it with a small inexpensive batch of soap to see how well it holds up.

[@ashokmahajan8920]

@@SoapAuthority Thanks for good information

[@ythripatia4806]

can i use butter paper instead

[@SoapAuthority]

Ythrip Atia I haven't used it, so I don't know if it would peel off the soap or stick bad. Another thing is, it might leak a little if it's not thick enough. I would try it with a small batch with extra towels under it in case it leaks, and be prepared to cut the edges off the finished soap loaf if the paper sticks. You won't waste a batch of soap, and you might find a great alternative way to line your soap mold!

[@ythripatia4806]

@@SoapAuthority I used it 😊and it came out 😁

[@SoapAuthority]

Ythrip Atia Yay!!! That's awesome! One of the best things about making soap is experimenting and finding new creative ways to create. Good job!

[@matinajazmine]

I made mine but am afraid of the soap refusing to come out or the solution to be too hot

[@SoapAuthority]

Matina Jazmine As long as you line your cardboard mold properly with the freezer paper you’ll be fine. Shiny side up (that’s the side that touches the soap). The freezer paper will peel off after 18-24 hours. It will even hold up if you hot process you’re soap. Worst case scenario is having to trim the paper off with a knife, but that’s unlikely. My hot process soap is about 180 degrees Fahrenheit when I put it in the mold and the freezer paper does fine with it that hot.

[@matinajazmine]

@@SoapAuthority thank you🙏

[@SoapAuthority]

Matina Jazmine You are welcome! I'd love to hear how it works out for you. ☺️

[@humanitywins2190]

This freezer paper is for single use ?

[@SoapAuthority]

Yes, the freezer paper gets thrown away when done, but the box can be used several times.

[@sacrilegiouspotato1087]

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