Weekday Wonderings: Substituting humectants, using fresh aloe, and using stabilizers with emulsions

As I mentioned, I’m doing my best to respond to many of your comments, so I’ve gone back three weeks to see what interests you! I’m responding to the questions you’ve posted in the Let’s formulate: Chamomile & aloe botanical summer time body butter posts at the moment. We looked at the reasons for making whipped...

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Q&A: Adding a preservative to diluted melt & pour base?

In the July Q&A, Melanie asked:  I know you don’t do a lot in the area of basic soap, but my question is really about preservatives. I have tried making a batch of my own melt and pour base. I like to be able to whip up a bar of soap to match lotions etc....

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Subscribers’ exclusive: Why do commercial products use several different preservatives?

In the July Q&A, After doing ingredient studies on some of my favorite high end organic products (Tata Harper, Eminence, Tracie Martin), I’m finding that, more often than not, several different emulsifiers, thickeners and preservatives are used in the same formulation. This mystifies me! Why don’t they pick one? I understand using several different humectants, emollients,...

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Subscribers Q&A: Making alterations to a toner? Lexgard Natural preservative

In the June Q&A, Kuni asked: I would like to try your Lavender & Chamomile Toner for my 12 year old daughter, but I don’t have honeyquat and germall plus (could not find it in my country). Could I use Softisan GC8 (Glyceryl Caprylate) up to 2% as hydrating agent, anti acne and anti microbial support...

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(Member exclusive) Ingredient: Euxyl PE 9010

We first met this preservative in this post – Why did this lotion fail? part one – and I mentioned it again in the rose water & chamomile facial cleanser, so let’s take a look at what Euxyl PE 9010 is all about! This preservative – INCI: Phenoxyethanol (and) Ethylhexylglycerin – can be used at 0.5%...

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(Membership exclusive) Ingredient: Geogard ECT, ECOcert, COSMOS, NPA preservative

As I’m trying to work with more ECOcert ingredients this year, I thought I’d share my thoughts on Geogard ECT, (INCI: Benzyl Alcohol & Salicylic Acid & Glycerin & Sorbic Acid), an ECOcert, COSMOS certified, NPA accepted broad spectrum preservative. It might also be found as Neopres ECT. Geogard ECT is a water soluble, low...

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Member exclusive Q&A: Should we preserve unpreserved ingredients? How do we know if they are unpreserved?

In the January Q&A, Sima asked: Hi Susan, just wanted to know do you purchase products from your supplier that are not preserved? What amount of Liquid Germall Plus do you then preserve the product with? I am just a Newbie and when reading the ingredients list from the suppliers in Australia some of the products...

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Weekday Wonderings: Liquid Germall Plus, and a thought about contamination

In this post, Preservatives: Phenoxyethanol, Paola asked: Quick question Re: Liquid Germal Plus… It’s my favourite preservative to use…however, I’m a little worried about using it because there are articles out there saying it’s not the healthiest preservative out there…BUT it preserves my products like no other. Are there any skin care brands who use LGP...

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Question from Patreon: Does polyquaternium 10 have a shelf life? Is acetic acid or aspen bark extract a good preservative?

In the July Q&A on Patreon, Belinda asked: I have two questions…1) do you know if polyquaternium 10 has an expiration date? I’ve checked the website I bought it from (Personal Formulator) plus a couple more that sell it, and I’ve not seen anywhere if it does, indeed, expire. The reason I ask is because...

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Weekday Wonderings: Substitutes for parabens in an emulsified scrub?

In this post, One ingredient, ten products: Incroquat BTMS-50 in an emulsified scrub, Febe asks: Love the recipe. I am concerned about Phenonip and the parabens. As I see the INCI Phenonip is Phenoxyethanol (and) Methylparaben (and) Ethylparaben (and) Butylparaben (and) Propylparaben. It has parabens and I am trying to stay away from them. I see...

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