Prepare for the ITEC Makeup Certificate Test. Utilize flashcards and multiple-choice questions, each with helpful hints and explanations. Ace your exam!

Lanolin is a natural, waxy substance obtained from the wool of sheep. It serves as a protective barrier for the sheep's skin, helping to keep their wool moisture-rich and shielded from the elements. This unique property of lanolin makes it an excellent ingredient in various cosmetics and skincare products, as it can help hydrate and protect human skin as well.

In contrast, coconut oil is derived from the flesh of coconuts, palm leaves originate from palm trees and are used for different oils, while sunflower seeds produce oil that has its own distinct properties. None of these sources contain lanolin, reinforcing why sheep's wool is the correct origin for this substance. Understanding the source of lanolin helps in recognizing its benefits in the beauty and skincare industry.

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