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Topic: Soap disaster  (Read 840 times)
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« on: March 18, 2009 11:14:45 AM »

Last week I made a soap with a recipe I got from an Italian book for soaps:

475 gr olive oil
25 gr wheat germ oil

150 gr pure carrot juice (I made it with a juice extractor, since in supermarkets I couldn't find any pure juice)
64 gr lye

At trace, I pured it into the mould (I use a sylicone plumcake mould), and put it under a cover (with a white sheet of paper to separate it from the cover).
After a pair of hours, I had a look and for the first time in my soap-life, the stuff had risen a lot, like a real plumcake, until it touched the paper I put under the cover, and then "exploded down", I don't know if because it had risen too much, or because touched the paper or what.
I put it under the cover again, and waited 12 hrs, then I went to see, and it was hard (a bit harder then "normal" soap after 12 hrs), with a light layer of something orange (oil? carrot juice?) inside.

After one week I sliced it, and this is what it looks like.
Very very ugly (I was not expecting any better, after the explosion), and it leaves oil on paper.

I thought the problem was that carrot juice had maybe too much air inside (it was something like a smoothie, with some with foam on the edge), so yesterday I tried it again.
I extracted the carrot juice the day before, then removed most of the foam, and put it in the fridge. One hour before soapmaking, I took it from the fridge, to get it warmer.
Then I gently mixed it with a spoon (juice separated in 2 parts), and used it for the soap.
At trace, I poured it into the same mould, and covered.
This morning I went to see, and it didn't explode or anything.
But...there is that strange thing in the center, with a different color, and on the border line there are some orange drops (oil? carrot juice?).

So, what happened (both times)?
Do you think I can use my soaps anyway, after curing, of course?

« Last Edit: March 18, 2009 12:48:30 PM by lavale - Reason: I corrected the ingredients » THIS ROCKS   Logged
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« Reply #1 on: March 18, 2009 02:39:19 PM »

hmmm I don't know! It looks good from the lye calculator point of view. Was it sticking to the sides at all? It looks like maybe it rose up and stuck to the sides and then the middle fell? Does it feel odd?

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« Reply #2 on: March 18, 2009 05:07:44 PM »

it does look a bit light in the liquid department but thats not a REAL big issue and a little light in the lye department too but again not a HUGE deal.

I havent done carrot juice so I have NO idea if the 'explosion' thing is part of using that juice..

did you hand stir?? stick blender?? hand mixer??

does it feel ok??

I wouldnt say it was a 'disaster' as much as an experience..

let us know how it goes..

interesting this whole soaping thing,right??

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« Reply #3 on: March 19, 2009 05:17:45 AM »

hmmm I don't know! It looks good from the lye calculator point of view. Was it sticking to the sides at all? It looks like maybe it rose up and stuck to the sides and then the middle fell? Does it feel odd?

well, it reminds me of something I sometimes saw in cakes or breads: it rises too much (I don't know if for too much baking powder or what) and then "breaks out", like a balloon if you pump it up too much.
But here, there was no baking powder, of course.
I don't think it was because of sticking to the sides...
I mean, I always use silicon moulds (or tetrapak, sometimes), and they stick a bit, but not much...

From the soap calculator, I see there is a 5-6% lye discount, and that's OK.
About water, I doublechecked lye with soap calculator, but don't know anything about how to calculate water...so I just trusted the book (usually it's very good).

I mixed it with stick blender. it didn't look strange, it was faster than 100% olive oil soap to have trace.
But now it leaves a lot of oil, and I never saw this in other soaps I made (but I will see again after 1 month curing).
Maybe I will check its pH to see if it's safe to use (and I will cut it in small pieces and add it to another batch, the color is nice).

After seeing the second batch, I think the problem was the air in the juice.
But in the second batch I guess I still had a problem I cannot understand, something with the "gel phase", but I don't know...

Thanks so much for your answers!

« Last Edit: March 19, 2009 05:20:25 AM by lavale » THIS ROCKS   Logged
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