Making Hot Process Soap with Recipe | MO River Soap

Hi everyone! I'm making hot process soap! This is something that I only do occasionally and do not claim to be a master of it. Every now and again, I appreciate making a batch of soap that is ready a little bit faster. I formulate my soaps to be a bit gentler so the bubbles won't be 'high coconut intense' but they will feel great to use!

Edited to add:
~Also, someone commented that unless the soap is 100% translucent that the lye is not completely inactive. That is why it is generally okay to add yogurt at the end of the cook.

S H O P

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(This group is not a general soapmaking/wax making/craft group. This group is only for the happenings of MO River Soap.)

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R E C I P E

2.5:1 Water to Lye Ratio
6% Super Fat

40% Olive Oil
20% Coconut Oil
10% Palm Oil
10% Rice Bran Oil
10% Castor Oil
10% Cocoa Butter

Organic Cane Sugar ( I used 1 TBSP for a 60 oz batch)
1 tsp ppo Sodium Lactate
3% (of oil weight) Essential Oil Blend

Modern Soapmaking Hot Process Tutorial:

Lovin' Soap Hot Process Tutorial:

Essential Oil Calculator:

**Beginner Soapmakers LOOK HERE**

**Cautions & Disclaimers**

Soapmaking requires the use of a caustic material called Sodium Hydroxide. This must be respected and handled with care. It is your responsibility to research, know, and adhere to all safety measures for making cold process soap. Please note that while any soapmaker can use the same materials to create the same soap, each soapmaker has a personal touch and skill base that may cause varied results. Always recheck a recipe using a soapmaking lye calculator. Never just trust a recipe, a video, or an tutorial without doing some research to know that everything is correct. While we all can do our best to share with you and provide tutorials, you are responsible for you, your materials, and your actions.

Missouri River Soap LLC is not responsible for injuries, accidents, or performance due to sharing this recipe and demonstrating this process.

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F I L M I N G & E D I T I N G

Camera used to film: Canon M50
Camera used for images: Nikon D3200 with 50mm lens
Video Editing Software: Adobe Premiere Pro

[LS-lbpw]

The simplified science is, industrial soap manufacturers for hot or cold process use emulsifiers and plasticizers to change the crystalline structure of soap for a more fluid pour, and a more pliable soap...no cracking etc. Yogurt contains casein (emulsifier) and a bit of lactic acid which will react with the soap pH, glycerin and heat to become a weak ester, so it will act as a plasticizer.. Don't quote me here...I did this study years ago and don't remember the exact chemistry. Other plasticizers besides esters would be polyols such as glycerin etc...think melt and pour soaps. Sodium lactate will add to the fluid pour (lactate) plus the sodium adds to hardness, this is esp. nice if one's recipe is low on hardness, high on water content. However too much sodium lactate will give poor lather release.. I rarely use sodium lactate or yogurt now but did so for many years. (Soaping for 20 years, HP is my preferred method.). My adds after the cook have never gone bad, making my soap funky. Keep in mind the addition of additives at the temps we do in HP will likely cook the adds anyway and of course the alkaline pH of the soap is a good deterrent for microbial growth. jme

For those who may be concerned, one can add a chelating agent as well as an antioxidant ( or blend) for added safety. . Your subscribers may be interested in Kevin Dunn's testing of milk in soaps...If I recall he only did CP testing, but it's informative for anyone who likes to do a little more study.

Your HP soap turned out very nice! You're always a delight to watch. People should be grateful to you for freely sharing your knowledge, shame on them!

[moriversoap]

Thank you all for your comments! I have learned so much and that makes me giddy! Sometimes you just need the right thing said to have that AH HAH moment. :-) Here are a couple of additional thoughts/updates:




~Also, the same helpful comment mentioned that unless the soap is 100% translucent that the lye is not completely inactive. That is why it is generally okay to add yogurt at the end of the cook.



Such good info!

[kelseymercury]

Imagine being so mean to someone over effing soap that she had to turn off comments. The hell is wrong with people!?

[EllenRuthSoap]

Thank you so much for sharing! I've not tried hot process yet, but this encourages me to give it a try! 💖

[kateymateymusic]

it never fails to surprise me how youtubers invest so much time in sharing their craft FOR FREE, and yet the *internet peoples* want to be rude....:( thankyou for sharing, it looks really lovely and I'm sure feels as good as it looks

[gracejaskot]

I don't use yogurt after the cook, but I always use cocoa or shea butter after the cook and when I make oatmeal and honey soap, I put oatmeal and honey in also after it's cooked. It has such a luxurious feel because it's not saponified. On the other hand, when I do rarely make cold process, I get glycerine rivers, soda ash, ... I just enjoy my hot process. Oh, I also don't sell it - I just love making it. We use it at home and I gift it to appreciative friends, family and neighbors. Holly, again, thank you for all your sharing. Be well.

[zetababy]

I add yogurt after the cook to make a more FLUID batter. Yogurt has sodium lactate in it.

[KittenBowl]

Hi Holly! Loved the lather test at the end, it looks nice! I also make HP soaps. Many HP soapers add yogurt to make the batter more fluid as some also said. I also love using yogurt and it doesn’t spoil as long as it’s mixed well. You do need to add it when it’s below 170F or otherwise it will scorch and if it’s too hot it gets brown pieces of yogurt. Even then it doesn’t spoil actually as long as it’s blended well. Every time I make HP I always add yogurt and sugar water or honey or maple syrup diluted with distilled water/aloe juice/ACV. These all add to the bubbles and fluidity of the batter so you can color with micas the batter is so fluid. Even though it has saponified it does actually get milder and the yogurt doesn’t stay in soap in raw form. That’s why it adds to the bubbles as it still reacts with the whatever you add even after the cook. For example the SF you can also add at the end. For the first month you may be able to see the effect or feel the Shea butter or argan oil or whatever the luxury oils you may add at the end as SF, but the lye you used to make the soap still borrows fatty acids of SF oils you added after the cook so you don’t really have a choice which SF to be left out overtime. Similarly it will also affect the structure of yogurt, milk, aloe, coconut milk or even goats milk I add at the end. The EOs are less affected by the milder alkalinity of HP after the cook than the CP soaps which is super high in alkalinity so much so that it destroys most of the EOs especially citrus and most of the top notes. More than anything I make HP when I want the truer scent of EOs to come through, it’s almost out of bottle much truer scent than any EOs I add to CP soap no matter how much maximum amount of EOs I may add to the CP. You can try adding a table spoon PPO of yogurt after the cook next time and honey water even. It makes a lovely HP soap :)

[Thesnarkyduck]

Hello. I’m a chemist/toxicologist/whatever scientist they need me to be at the moment and a soap maker. I’ve been thinking about the yogurt/sodium lactate conundrum for a while. I have two ideas. First I thought the casein micelles (protein colloidal globules found in diary products) might cause the fatty acid salts (or soap) to be more separated from each other by wedging themselves between the molecules. But then only about 9% of yogurt is protein. Sodium lactate is similar in structure to a fatty acid salt albeit much smaller, but with an alcohol group that can participate in hydrogen bonding. So then I thought, hmm, maybe the sodium lactate wedges itself between the fatty acid salts (so saponified fatty acid, sodium ion, lactate molecule, sodium ion, saponified fatty acid molecule then repeat) which will cause it to be more fluid. It’s kind of like saturated and unsaturated fats. Unsaturated fats have kinks in their fatty tail and thus are liquid at room temperature. I think the sodium lactate introduces kinks to the structure of the saponified soap making it more fluid than if it didn’t have it. Also yogurt is about 81% water and that always loosens up batter... it could be a combination of kinks in the molecular structure and being able to dissolve in water more now as a soap. Those are just my musings/ramblings!

[lahbnatural]

Many soap makers add sodium lactate and yogurt to their hot process soaps in order to give a greater degree of conditioning to the soap, by doing so after cooking, the soap mass becomes more liquid and easier to handle, they can even be made Very pretty designs with colors and so on, this phenomenon occurs because of the coexistence between the lactic acid in yogurt and its conjugated salt, which is sodium lactate. I do it frequently and it results in wonderful soaps.

[loisreed]

Why do people do that? Leave mean comments, my mum always taught me if you having nothing nice to say, don’t say anything at all, and for a hot process soap it looks great

[joannpage]

In the 1800’s soap makers wanted their soap to be mottled to prove it was handmade. I love rustic looking soap, My mother made soap with ashes and water in a big black pot. Love your videos and thank you for sharing this it. 😁. Happy New Year🎊🎊.

[NorthernHedgeWitch]

Mean comments on a soap making video?!? WTF people! Holly is amazing and doesn’t need that sh*t! Leave that energy for them to fester in - be your authentic, amazing self who creates wonderful soap and soap videos!!

[jesssheteron]

I love it! It is not for me I will stick to cold process,
I learned a lot. And I'm with you on the gross part of "foody" at the end of a watching the 2 years later and I have no idea why someone would watch a video and cut you down?? Your sharing what you do and works for you.
THANK YOU!

[Taylor-wtzv]

I like that it shouldn't be feared it should be respected.

[susanschiel]

Well, I think that your hot process soap is one of the first hot process soaps that I viewed in the past two years it actually looks creamy and I am astonished. It doesn’t look all dry and rustic. I think it looks beautiful !!! When people leave rude comments they just want to boast about themselves and their knowledge and they are just rude. You can share your knowledge, but do it in appropriate way where it’s obtained in a healthy way.

[icecreamladydriver]

People can be unbelievable at being rude. Why would anyone leave nasty comments for a soap making video? Wow!

[gourdingaround]

Oh my Holly! Your soap is always so smooth and pretty vs some hot processed I’ve seen that are so chunky looking. I don’t know the technical part as to why theirs are chunky looking but I love the smooth look you accomplished. I love the earthy scents too.

[anac]

The mean comments thing breaks my heart! I will probably never make soap but I watch you, royalty soap, and the vintage brambleberry videos to help with my anxiety. You seem like such a sweetheart and you’re damn good at making soap! Keep on going, I love your content! Can’t wait until the website gets restocked!

[pamcolechadwell]

I love your videos, Mean people are just jealous you know that. You're a successful Lady with your very own successful business. I'm happy for any person that has a great business.