Sclerocarya Birrea Seed Oil
Explained
Sclerocarya Birrea Seed Oil (aka marula oil) is a skin hydrating ingredient.
Its fatty acid profile is dominated by oleic acid (~69%), palmitic acid (~15%), linoleic acid (~9%), and palmitoleic acid (~4%).
These fatty acids are very similar to those naturally found in the epidermis, making this oil biomimetic; basically, your skin recognizes it.
Clinical testing found this ingredient to be moisturizing and non-irritating, with noteworthy effects on reducing transepidermal water loss (TEWL).
Besides fatty acids, marula oil is also rich in oxidative stabilizers like vitamin E, vitamin C precursors, and polyphenols. This gives it excellent shelf stability compared to most facial oils.
This is a great ingredient for dry, dull, or barrier-compromised skin.
Just know it may not be fungal acne safe due to the oleic and palmitic acid content. These fatty acids can as as a food source for the Malassezia yeast.
This ingredient shows up on a lot of "pore-clogging" lists but there's no real evidence behind that. It doesn't even have a comedogenic rating from an actual study; the numbers you'll find online come from blogs citing other blogs.
Some people still find it breaks them out. So if that's you, definitely trust your skin.
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