bath and body

Carotenoids

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Carotenoids are tetraterpenoids, which are a large and varied class of hydrocarbons produced by plants, particularly conifers (wow, that sounded text-booky, eh?) They are either carotenes (oil soluble) or xanthophylls (more polar, water soluble with oxygen functional groups) with 40 carbon atoms. I’ll be going into more detail about terpenes and terpenoids in the near...

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Vitamin A

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Vitamin A – what is it good for in bath & body products? It’s an oil soluble molecule that can improve skin barrier function, increase cell proliferation, increase thickening of the skin, and increase collagen production. It can also help increase skin’s water retention, and it may be effective in preventing, retarding, or restoring changes...

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Pumpkin seed oil

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Pumpkin seed oil – INCI Curcubita pepo (pumpkin) seed oil – is a high linoleic acid oil with 12 to 18% palmitic acid (C16), 5 to 8% stearic acid (C18), 24 to 41% oleic acid (C18:1), and 18 to 62% linoleic acid (C18:2), with an average of 50% or so.Pumpkin seed oil contains tocopherols, but...

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Rosehip oil

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Rosehip oil is what I’d call an exotic oil, something you don’t use as the main base of a lotion or other creation but as a wonderful addition. Its fatty acid composition is interesting – 3.8% palmitic acid (C16), 1.9% stearic acid (C18), 15% oleic acid (C18:1), 43.5% linoleic acid (C18:2), and 33% linolenic acid...

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Wheat germ oil (updated)

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It’s hard to find a standard fatty acid profile for wheat germ oil (INCI Triticum aestivum oil or Tricium vulgare oil) as it depends upon the strain of wheat, the climate in which it is grown, and so on. A general profile looks something like this – with a fatty acid profile – 1 to...

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