The ester of ethyl alcohol mixed with fatty acids from macadamia nut oil to create an emollient. On skin, ethyl macadamiate softens and conditions skin.
This plant-derived or synthetically-made ingredient is sometimes used as a substitute for silicones because it imparts emollient, skin-softening properties without the greasy feel higher amounts of some silicones can have.
Ethyl macadamiate also adds a pleasant slip to creams and lotions, making them easier to spread, not to mention macadamia nut oil is a rich source of essential fatty acids for skin.
References for this information:
Data in Brief, December 2017, pages 720-723
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