Colorado Esthetician Written Practice Exam 2026 – Comprehensive All-in-One Guide for Exam Success!

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What is the term for skin's ability to take in substances through cells and tissues?

Sensation

Absorption

The term that describes the skin's ability to take in substances through cells and tissues is absorption. This function is important because it allows various beneficial ingredients found in skincare products to penetrate the skin layers and exert their effects. Absorption occurs when topical products are applied to the skin, and the active ingredients are taken in by skin cells to improve hydration, texture, or overall skin health.

Sensation refers to the skin's ability to perceive stimuli, such as touch, heat, and pain, which is vital for protective functions but does not involve the uptake of substances. Excretion is the process of eliminating waste products from the body, and secretion refers to the process by which substances secrete from glands, such as sweat or oil, onto the skin's surface. Therefore, absorption specifically focuses on the intake of substances, making it the most fitting term in this context.

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Excretion

Secretion

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