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Sodium lactate


Candybee

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I use 2% in almost all of my batches. I don't notice a difference in the lather, however, it is salt derived, so it could. I use a high percentage of coconut oil though, so? IDK. I will say it makes for a harder bar faster, so unmolding in my silicone molds is easier. Also it gives it slightly more of a "slip" feeling when using it. (Hard to explain, but I think you know what I mean) as for longer lasting - that's debatable. I usually make sure my bars are good and cured before using them (my personal bars are usually several months old before using just because I have so much soap!) and I honestly can't tell you if they last longer or not, but I do like the other benefits I mentioned that the SL gives. 

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I have been wanting to try it, but it was back ordered when I was last buying supplies. I recently made a soap with Kiefer in it, about 4 ounces replacing 24 ounces of liquid measurement. I hadn't thought of this as a replacement for sodium lactate, just had some plain organic Kiefer that was given to me, after tasting it, I figured I'd put it in soap. The soap was very firm early the next morning, and I don't know if the Kiefer is responsible, but the soap is more creamy, and much more bubbly. It turns out that Kiefer is high is sodium lactate.

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I had to look up kiefer. LOL Its a kind of yogurt-like milk drink? Sounds good. Why would that make soap harder? I would think it would make it creamier?

 

Well next time I get some money I think I am going to order some to try out.

 

Those that use it have you had any comments from customers about it?

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Candybee, it is just a yogurt type drink, I drink it often, but the plain unsweetened was pretty sour. You can find it at the market, especially if you have a Trader Joes, Sprouts, or Whole Foods. I don't think you need to order the grains to make it, it is just a couple of dollars for a carton, and I freeze it and use a little at a time. It did make it creamy, but it contains a high percentage of sodium lactate, so it also made it hard. I just took it off the curing rack, and haven't had anyone but me test it yet. I was telling one of my friends (testers) about it yesterday, so one bar has a home next week.

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I am very curious about what you find out about it when you try it. Would you mind posting about it and let us know how you like the kiefer in your soap? Sounds like it does double duty; making the soap harder and more creamy. I am really into milk and yogurt soaps and never thought about using it before... well hadn't really heard about it until you posted it.

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I will post again when I have received more feedback, I have tried it myself, and it made a very nice soap. I would say it increased the bubbles similar to beer soap. I put goat milk or yogurt in most of my soap, but this was different. I wasn't sure about trying it, but there were some articles and soap blogs that posted positive results. I have tried it in two different recipes, and in one recipe I noticed the hardness more than the other, but they both had nice creamy bubbles.

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I usually see it near the yogurt or milk, I don't know the type of markets you have, if not the regular market maybe a health food store. It may be more difficult to find the plain variety. The brand I used is 'Nancy's cultured dairy and soy'. They are in Oregon, and have a website,you can do a search using your zip code. I'm sure that there are other brands available,this is just what I've used.

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At the rate I use I didn't notice any discoloration, but out of 24 ounces of liquid I only stir in about 4 ounces at trace, or right before trace. I just keep the % of dairy products at about 18-20% with most of my soap. That way I can play with colors and swirls, I use more if I am making a soap labeled goat milk or buttermilk soap, but that amount hasn't caused any color problems for me.

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