Cetyl Alcohol: What It Is and Why It's Used

Origin

Cetyl alcohol was first isolated from sperm whale oil in 1817 by the French chemist Michel Chevreul — its name derives from cetus, the Latin word for whale. For most of its commercial history it was extracted from spermaceti, the waxy substance from sperm whale heads. Following international restrictions on whaling, production shifted entirely to palm and coconut oil derivatives, which remain the primary sources today.

Why It's Used

Despite the word 'alcohol' in its name, cetyl alcohol does not behave like ethanol and does not dry the skin. It is a fatty alcohol — a waxy solid at room temperature that functions as an emollient (softening the skin surface) and as an emulsifier (helping oil and water stay mixed in a cream). It is one of the most common cosmetic ingredients across all price tiers.

Elsewhere

Cetyl alcohol is used in pharmaceuticals as an excipient in topical preparations. It also appears in the production of surfactants and in industrial lubrication.

What the Framework Sees

Question 3.

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