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I’ll be getting back to duplicating products in a few days, but I thought this was a really important topic for learning how to formulate and duplicate! Will commented in this post…I use liquid germall plus in my own concoctions and haven’t noticed anything go bad, but I typically use a batch of lotion within...
As I mentioned in this post, I’m really enjoying Cooking for Geeks, a book I originally bought for Raymond, and I’m reading a lot about safety in the kitchen. Although I’m not a fan of comparing cooking to product making, there are some points we can take from it when it comes to product safety....
I thought I’d write a quick post on this topic because I get a lot of questions about preservatives. Almost all of our liquid ingredients will contain a preservative of some kind, especially if they contain water. I haven’t met a surfactant yet that didn’t contain a preservative, and you generally need to read the...
In this post, Heidi asks…My question is this.They tell us we don’t need preservatives in soaps. Do you believe this is true? And if it is, why do we need a preservative in a solid shampoo bar (syndet)?And how about something without water like a body lotion bar? Great question! Let’s take a look at...
If you are going to make a product that contains water or might be exposed to water, you need to include a preservative. If you want to make a preservative-less product or want to use alcohol as a preservative or want to store things in your fridge, do it. If you’ve read all that I’ve...