Designing your products as a line: Shampoo – increasing mildness and viscosity

On Friday, we took a look at other ingredients we might use in a shampoo, and these are the ingredients that we would modify or leave out when considering about designing a shampoo to be used in a line with other products. Do we need conditioning agents in a shampoo if we’re using a conditioner...

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A few thoughts for the last Saturday in August…

If you have a very dark coloured oil, like sea buckthorn or unrefined hemp seed oil, test it out on your skin for a few days in the same spot before using it. Some paler skinned people might go a little orange when using these dark oils, and testing it before adding it to that...

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Designing your product as a line: Shampoo – what’s in it? Other ingredients

Yesterday we took a look at how to formulate a shampoo. Today, we’ll take a look at the other ingredients you might add to a shampoo to take it from good to great. In general, a shampoo contains surfactants, water, preservative, and thickener. Each one is a pretty obvious inclusion – the surfactants clean, the water thins the...

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Designing your products as a line: Shampoo – what’s in it? Surfactants

In yesterday’s post, Shampoo – how does it work?, we took a look at how a shampoo works to clean our hair. Today, let’s take a look at how one would formulate a shampoo, then at the ingredients we might find in one. So what makes a shampoo a shampoo? We want to formulate a...

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Why cold process soap doesn’t work as a shampoo (for most people)

I’ve been getting a lot of questions about this topic lately, so I thought I should highlight it again. Most people cannot use cold process soap as a shampoo. Shampoos are generally at pH 6.0 or lower, whereas soaps are alkaline, over pH 8.0. This means CP soaps are not pH balanced for our hair. After...

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Designing your products as a line: Shampoo – how does it work?

The post, Should we design our recipes as lines of products?, put forth the idea that maybe we should be consider what we use together when we are making our products. Can we leave ingredients out or reduce the concentration of ingredients when we know what might be coming next? To that end, let’s take...

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Should we be designing our recipes as a line of products?

Kneeley asked a great question: If we were to make say, a shampoo and a conditioner, and maybe a leave in all for the same person or same hair type that are meant to be used together, would we need to make alterations to the recipes for things such as glycerin, proteins etc due to...

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Weekend Wonderings: If Vitamin C doesn’t penetrate the skin, what is the benefit of it?

In this post, Weekend Wonderings: Adding Vitamin C to a product, Rosi asks: If vitamin C does not penetrate the skin, what is the benefit of it?Good question! We use a lot of ingredients that don’t penetrate the skin well, like hydrolyzed oat protein, carionic polymers, and oils, to name a few, and we know...

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Weekday Wonderings: Is this ingredient oil free?

In this post on olive oil unsaponifiables, Kim asks: Would olive oil unsaponifiables be ok for oily skin versus other oils or be considered oil free? Technically, olive oil unsaponifiables would be considered oil free because it isn’t an oil. (I’ve seen someone claim that a lotion with shea butter was “oil free” because shea...

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Weekend Wonderings: Adding Vitamin C to a product

In this post, A few thoughts for a lazy Saturday, Fuchia asks: A bit off topic but I’m curious about making a Vitamin C cream. I have a face cream recipe I make now and love (it does not contain Vitamin C but uses Optiphen Plus as a preservative) and keep reading online that you can...

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