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Thanks! I'll let her know. It's just the problem of finding them. Is there a website where people sell things like that?

I wrote my own spreadsheet to do the calcs. I do use the glycerine method and I think that's why it comes clear.

Yes, it does mean that. I superfat my castile at 10% and it still dilutes clear. Don't know why.

Interesting, I hadn't thought of the link with salt bars. Palm kernel oil is very similar in fatty acid profile to coconut but it behaves very differently in liquid soap. I make a coconut/palm kernel castor and olive and the pk one dilutes at 1:1.6 and thickens nicely with a little salt (half...

NaOH has a much lighter molecular weight than KOH (about 40 vs 56) that's why the same formula will result in a lesser amount of NaOH than KOH. It's not necessarily an indicator of whether the calculator is taking the purity into account. You could check that by dividing the NaOH amount by 40...

Thanks! I've been wondering about that myself. Funny how it seems to work better with some soaps than others. A pure castile thickens up very quickly with not much salt solution but I cannot get my 100% coconut to thicken up no matter how much salt solution I add, or how much salt I add...

Very pretty!

A friend of mine is immigrating to Australia, Melbourne, from South Africa in April next year. Her family of 5 have been exclusively using a castile liquid soap that I make for her using the glycerine method. They find it's the only soap they can use without getting skin irritations. She's a...

If it's clear in distilled water then it's fine. There are probably things in your tap water causing cloudiness. Also, 15g paste to 100g water is quite dilute. I'd try 15g paste to 40-50g water and see how that goes. I take a 10% KOH discount on my 100% olive oil liquid soap with the...

It may be that your glycerine is not pure. I bought some cheap glycerine once (I should have known) and it turned a caramel brown and bubbled up all over, big mess in the kitchen. It stank like burnt sugar. I think it was probably thinned out with sugar water. Just a thought.

I think they are related actually, both rely on breaking the surface tension, the more the surface tension is reduced, the bigger the bubbles. I have two small kids, we're into bubble blowing! Sent from my HTC Desire X using Soap Making mobile app

Why not just use the homemade castile soap straight? That should be plenty mild enough. Or add the honey and not the glycerine. Or make some castile soap using the glycerine method then the glycerine is already in there. That dilutes nice and thick.

Just check before you use it on your dog. I'm not an expert here but I've heard that you shouldn't use soap on dogs. Their skin is very sensitive.

The proof is just double the alcohol content as a %. So 190 proof is 95%. Good luck finding that and at a decent enough price to warrant putting it into soap!

The placebo effect is powerful!

According to Kevin Dunn, none at all, more or less super-fat has no impact on DOS.

I would try diluting that at a ratio of 1 part paste to 1.5-2 parts water. My philosophy of diluting is to use as little water as possible to get the soap paste properly dissolved. That way gives the thickest soap with the least possibility of cloudiness. Sometimes more diluted soaps look...

For a mostly coconut soap I'd start at 1:1 paste:water and play around from there. The only liquid soap I've diluted 1:3 is a 100% olive oil soap and even then I actually prefer 1:2.7. I put orange and lemon EOs in my dishwashing soap because I figure those are food related. I'd definitely...

As I understand it, the reason why soap doesn't need a preservative is because the pH is high enough to inhibit any bacterial or fungal growth. If you thin in out it will lower the pH. I don't know what the cut off level is for needing a preservative but that is worth investigating.

I've made a lot of liquid soap using the glycerine method and here is my 2c worth. You need to use 3 times as much glycerine as KOH. I just get the glycerine warming as I weigh my KOH then tip it into the glycerine and stir, still on the stove. It takes about 10-15 mins to dissolve...