Which statement about oleaginous bases is true?

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Study for the Pharmaceutics II Exam 2 Concepts Test with flashcards and multiple choice questions. Each question has hints and explanations. Prepare effectively for your exam!

Multiple Choice

Which statement about oleaginous bases is true?

Explanation:
Oleaginous bases are oil-based, hydrophobic substances that form a thick, protective film on the skin. This occlusive film reduces transepidermal water loss, helping to protect and moisturize the area. Because they are oil-based, they do not mix with water, i.e., they are water-immiscible. They are not hydrophilic, and they do not spontaneously form emulsions without an emulsifier. So the statement that describes them as occlusive and water-immiscible is the true one.

Oleaginous bases are oil-based, hydrophobic substances that form a thick, protective film on the skin. This occlusive film reduces transepidermal water loss, helping to protect and moisturize the area. Because they are oil-based, they do not mix with water, i.e., they are water-immiscible. They are not hydrophilic, and they do not spontaneously form emulsions without an emulsifier. So the statement that describes them as occlusive and water-immiscible is the true one.

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