How the ingredients determine the pH of a shampoo bar, and testing Lush’s Jumping Juniper bar

When we were at Windy Point Soap Making Supplies two weeks ago, we had great fun testing the pH of various Lush products, including three shampoo bars – Jumping Juniper, Montalbano, and Trichomania – as well as two “self-preserving” shower gels, Honey I Washed the Kids and The Olive Branch. Let’s take a look at…...

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Acids, bases, and pH – oh my! Part 10: A short video about altering the pH of our products

We had great fun in the workshop making a bunch of little videos about pH, pH indicators, adjusting, testing, and everything else to do with this topic. Here’s a little 2 minute video we made showing how phenolphthalein behaves when we add an acid and reduce the pH. We took a look at pH indicators…...

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Acids, bases, and pH – oh my! Part 9: Reducing or increasing the pH of our products

I went into quite a bit of detail in this post – Acids, bases, and pH – oh my! Part four: Testing our products with pH meters – but thought I’d write up a quick reference post on how to adjust the pH of our products. If you want to reduce the pH or make…...

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Acids, bases, and pH – oh my! Part 8 : How does a pH meter work?

If you want to catch up on this series, please check out the pH & pH meters section of the blog by clicking the link.  I thought I’d share a little more of the science of our pH meters with you as I found it really interesting! You don’t need to know this to test…...

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Acids, bases, and pH – oh my! Part 7: Care and feeding of your new meter – calibration, including using pH calibration fluids and powders

You’ve met all the meters I own and have learned how they work, so let’s do a recap of the things to consider when using and storing them. If you’d like to see the rest of this series, please visit the pH & information about meters, a new section we’ve created for the blog! You can…...

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Acids, bases, and pH – oh my! Part 6: Care and feeding of your new meter – taking it out of the box, rinsing & cleaning, storing, and getting rid of those white crystals

You’ve met all the meters I own and have learned how they work, so let’s do a recap of the things to consider when using and storing them. If you’d like to see the rest of this series, please visit the pH & information about meters, a new section we’ve created for the blog! You can…...

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Acids, bases, and pH – oh my! Creating a light, non-greasy summer weight lotion with Varisoft EQ 65 (part three, formula and pH)

If you want to catch up on the acids, bases, and pH – oh my! series, please visit the pH & pH meter section of the blog!  On the 7th, we created the water phase of this light summery lotion with Varisoft EQ 65, and yesterday, we looked at the oil phase and considered which…...

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Acids, bases, and pH – oh my! Creating a light, non-greasy summer weight lotion with Varisoft EQ 65 (part one, the water phase)

I hate summer so very much, but I’m handling it far better this year because we just had central air conditioning installed, and it can get so chilly, I need to put on a light cardigan. (I’m the type who wears shorts all year ’round, so this is a big big deal!) But I know…...

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Things that might affect the pH of your products: Hydrosols, distillates, or floral waters

We found we had a lower-than-expected pH with our burst of citrus clarifying shampoo yesterday, and I attribute that to the pH of the two hydrosols I used. Yep, these are just a few of ingredients that might affect the pH of your products! I have so many hydrosols in my workshop, but I thought…...

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Acids, bases & pH – oh my! Creating a Burst of citrus clarifying shampoo for oily hair

Let’s take a look at using our pH meters and strips to test, then potentially adjust, the pH of a formula for a citrus-y clarifying shampoo perfect for hot summer days! For some reason, I’m feeling really oily this summer, so I thought I should create a clarifying shampoo full of surfactants, hydrosols, and essential…...

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