Chemistry of skin: Desquamation

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When your skin cells reach the top layer of the stratum corneum, they will sit there for about 14 days before sloughing off. This process is called desquamation or exfoliation. Interestingly enough, there is so much scientists don’t know about this process. Scientists know there are enzymes that will break the bonds between the corneocytes,...

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Chemistry of skin: An overview (updated)

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I know I wrote a post of this nature last year, but I thought it was time to write a more detailed series of posts on the chemistry of our skin if we’re going to take a look at formulating for different skin types. Your skin is composed of three layers – the epidermis, the...

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Hydrosols!

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Hydrosols are defined as “an aqueous solution or colloidal suspension of essential oils, usually obtained by steam distillation from aromatic plants”. They are also called floral waters, hydrolates, herbal waters, or essential waters. They contain the water soluble molecules from the plant material, and generally have a pH of 5 to 6, which is perfect...

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Witch hazel!

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I realized when writing a post on toners that I had failed to write up the post on witch hazel. So here it is…Join me tomorrow for more fun formulating with extracts! Witch hazel (INCI: Hamamelis virginiana) can be found as an extract or steam distilled water and is reputed to do many wonderful things....

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Formulating with extracts – recipe round up!

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I thought I’d put together a summary of all the recipes I’ve written up that include extracts. Before you go throwing around all these lovely powders, please read the post on combining extracts! (There are many other recipes on this blog that contain extracts that weren’t part of the extract series of posts…please do a...

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