Procedure
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Brew the coffee.
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Mix the coffee grounds and baby oil in a heat-resistant glass jar.
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Place the jar in a gentle water bath (bain-marie) and heat it for 25 minutes, stirring occasionally to extract the caffeine without burning the oil.
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Filter through a fine sieve or cheesecloth and reserve the infused oil.
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Melt and mix the oil phase.
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In a clean beaker, add the filtered coffee oil, coconut oil, rosehip oil, and petroleum jelly.
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Heat until the petroleum jelly liquefies and all the oils are homogeneous. Avoid overheating.
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Allow to cool and add the heat-sensitive ingredients.
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Remove from heat; allow the mixture to cool to approximately 40°C (warm to the touch).
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Pierce the vitamin E capsules and squeeze their contents into the mixture, stirring slowly to minimize air bubbles.
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