Formulating Fundamentals Friday: How thickeners affect the properties of a lotion – stearic acid & lanolin alcohol (part one)

Welcome back to Formulating Fundamentals Friday! I’ve added a new section of the blog I’ve entitled Formulating Fundamentals where you’ll find these posts along with the other ones I’ve written about defining cosmetic chemistry terms. I also encourage you to have the glossary open as we work through this series as a reference. In part…...

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#alltheingredients: Lanolin alcohol

I bought this ingredient last year from Making Cosmetics, so I thought we should take a look at it before formulating with it in this week’s Formulating Fundamentals Friday on fatty alcohols and acids. This is a fatty alcohol, like cetyl alcohol or cetearyl alcohol, derived from lanolin. It’s used in the same way, as…...

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Let’s talk pets with Melinda! Formulating Safe Pet Products: Canine Cosmetology: Part two, more skin basics

In Canine Cosmetology, part one, skin basics, I talked about the skin’s function, its layers, and how important its microbiology is. Today I’ll discuss the importance of products such as shampoos and their affects. How can we avoid disrupting a dog’s healthy skin microflora/microbiota? Let’s start with pH. On a dog, the pH measurement is…...

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Get a bloody thermometer already! Equipment review

As I’ve been as wandering around the ‘net over the last few weeks, I’ve noticed people aren’t bothering to measure the temperature of their products any more. A popular blogger makes lotions by telling you to put the heated water phase and heated oil phase in a double boiler, then tells you to remove it…...

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Some links about the HLB system

As I’ve been working through some comments on the blog – I am trying my hardest to get to them, but there’s so many and I’m trying so hard to put the finishing touches on a super long series – I’ve noticed a few things I thought I should share, enjoy, or question! I’ve noticed…...

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#alltheingredients: Stepanquat DC-1

I am working hard to find time to do more than look at the comments as they come in, but it’s hard when I get to the fourth one and it inspires a post or even a series! Keep those great comments coming!  In this post, Why did I buy that again? Stearamidopropyl dimethylamine (updated), ChampagneJ asked, Hi…...

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Controversy: Are hydrogenated oils bad for your skin? Part three – “26 seconds for something to absorb into your skin”

On Monday, we took a look at hydrogenation, whether it can turn an oil into a trans fat, some naturally occurring trans fats, and, finally, if hydrogenated thingies are bad for our skin, and on Tuesday, we took a look at the molecular structure of oils and plastics. Today, let’s move on to the second … Read more

Controversy: Are hydrogenated oils bad for your skin? Part two – the molecular structure of hydrogenated oils

Yesterday, we took a look at hydrogenation, whether it can turn an oil into a trans fat, some naturally occurring trans fats, and, finally, if hydrogenated thingies are bad for our skin. Today, let’s take a look at the molecular structure of oils and plastics. Let’s recall the paragraph that started this tirade…I mean, chemistry … Read more

Formulating fun! Quick key lime meringue lotion with Aristoflex AVC

Yesterday, we met lime butter (INCI: Citrus Latifolia Oil (and) Hydrogenated Vegetable Oil (and) Tocopherol), which I’m using in this formula because I like it as an emollient, plus it smells amazing! Today, let’s create a light, cold process lotion using Aristoflex AVC and Penstia powder. If you’ve ever wondered what the proceeds of the five…...

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Controversy: Are hydrogenated oils bad for your skin? Part one – hydrogenation

Yesterday, I mentioned there’s this thing going around now that hydrogenated butters are bad for your skin, so I thought I’d take a look at the claims that are being made about this… I needed to know exactly what’s being said about them, so I did a search, and found this page – Maty’s Are … Read more