Ace the 2025 Colorado Esthetician Written Exam – Glow Up and Shine Bright!

Question: 1 / 400

What does the skin's hydrolipidic film protect against?

Absorption of UV rays

The skin's hydrolipidic film acts as a protective barrier that helps prevent the absorption of harmful external substances, including UV rays. This film is made up of a combination of sebum and sweat, which helps to maintain the skin's natural pH balance and protect against moisture loss, pathogens, and environmental damage. Therefore, Option A is correct because the hydrolipidic film plays a crucial role in shielding the skin from the damaging effects of UV rays.

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Evaporation of water and external environmental damage

Production of melanin

Synthesis of Vitamin D

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