Question: How to measure small amounts of preservative?

In this post, Ellbie asks:  Can you at some time during this Newbie series talk about a good technique for weighing your preservative? Specifically Germall Plus liquid. I have the dangest time trying to figure an accurate means of weighing this viscous liquid out. I am a tween (not really a newbie and with enough knowledge...

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Substituting one preservative for another

I haven’t written much this week because I wanted to keep the discussion going on the two topics I posted earlier this week – why did you start making your own products? and shipping from suppliers – but I thought I’d share  a question and some thoughts I’ve seen or had this week! Yes, this...

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A few questions I’ve seen this week…

In this post, anonymous asks: …I’m also interested in knowing if butters containing no water need preservatives, I’ve read conflicting information that they do not Anhydrous products – those without water – do not need a preservative unless they are exposed to water. (Click here for more information!) You can use an anti-oxidant to slow...

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When should you use a preservative?

I’m getting a lot comments and e-mail from newbies lately – welcome! – asking about preservatives. The answer is – whenever you have a product that contains water or might be exposed to water, you must add a preservative. If you want to make an oil in water lotion (what we normally make), you must...

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Optiphen revisited…

In this post and this post, sfs asks: Could Optiphen be used in an anhydrous product? Both Lotioncrafter and the Herbarie list it as a preservative for all types of products. In this post, Sciarretta Farms said: Are you sure that all the preservatives in the Optiphen family are only for water soluble products? A lot of people...

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