“Hope in a Jar” by philosophy

Heidi suggested we take a look at the Hope in a Jar cream by philosophy in light of what we learned about the dollar store lotions the other day. This cream can cost between $38 and $105 for 8 ounces, so what makes it so expensive? Let’s take a look at what Sephora says about...

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Learning to formulate: The oil phase

The second of our three phases is the oil phase, so let’s take a look at this phase and how to tweak it! The oil phase consists of oil soluble ingredients that can be safely heated and held at 70˚C for 20 minutes. This is where you’ll find our emollients, emulsifiers, thickeners, and anything that is...

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The HLB system or creating your own emulsifier

I plan to go into this in more detail in the near future, but for those of you who are interested in learning more about the HLB system (hydrophilic-lipophilic balance system), here are a few links to posts I’ve written on this topic… What is the HLB system?A demonstration of the HLB system with a...

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Learning to formulate: The water phase

As we know, there are generally three phases to our lotion – the heated water phase, the heated oil phase, and the cool down phase. Let’s take a closer look at the water phase. The heated water phase consists of water soluble ingredients that can safely be heated and held at 70˚C for 20 minutes....

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Question: Cheaper lotions – comparing dollar store lotions.

Will and Patrick did the most important thing you can do in learning this thing we call cosmetic chemistry – they stayed curious – and both went out to the dollar store to buy lotions. Let’s take a look at what each of them found! (And be warned, this is a long post!) Will: I made...

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