Techniques

Specific gravity: How you can use it to figure out how much you’re spending on ingredients! (Updated with downloadable Excel spread sheet!)

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I thought I’d share a little more on the idea of specific gravity and how we can use it for our products. I shared a series on specific gravity in January 2022, so if you’d like more information, definitely check out these posts… Let’s talk about specific gravity (relative density or specific density) – part...

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Smell Ho! Let’s talk about fragrance & essential oils: Other things to consider when shopping for or using fragrance oils (part four)

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Welcome back to part four – the final part – of this short series on using fragrance and essential oils! In part one, we took a look at some things to consider when using fragrance and essential oils, and how much we might use in a product. In part two, we took a look at...

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Smell Ho! Let’s talk about fragrance & essential oils: Working with IFRA maximum skin exposure levels with a few different fragrance oils – includes downloadable cheat sheet for categories

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Welcome back to part three of this short series on using fragrance and essential oils. In part one, we took a look at some things to consider when using fragrance and essential oils, and how much we might use in a product. In part two, we took a look at the IFRA, their maximum skin...

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Smell Ho! Let’s talk about fragrance & essential oils: IFRA maximum skin exposure levels

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Welcome back to part two of this short series on using fragrance and essential oils. Yesterday, we took a look at some things to consider when using fragrance and essential oils, and how much we might use in a product. Today, let’s talk about the IFRA, their maximum skin exposure levels, why those things are,...

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Smell Ho! Let’s talk about fragrance & essential oils: Tips, techniques, and discussion!

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You may have noticed that I’ve changed how much fragrance I recommend for products over the years, going from a standard of about 1% for leave on or rinse off products, to suggesting as low as 0.3% or 0.1% for some leave on products. Why? Because fragrance oils seem to have become much stronger in...

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