Colorado Esthetician Written Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which LED light is beneficial for stimulating cell energy and boosting collagen and elastin production?

Red LED light

Red LED light is the correct answer because it is known for stimulating cell energy and promoting collagen and elastin production in the skin. Red light therapy has been scientifically proven to penetrate the skin to a deeper level, where it enhances cellular activity, leading to increased production of collagen and elastin. This ultimately helps in reducing the appearance of fine lines and wrinkles, improving skin texture, and promoting overall skin rejuvenation.

Blue LED light is more commonly used for targeting and combating acne-causing bacteria on the skin's surface, making it an effective choice for acne treatment.

Green LED light is often used to target issues like hyperpigmentation and redness, as it can help to even out skin tone and reduce redness.

Purple LED light is a combination of red and blue light, making it suitable for treating a combination of skin concerns like acne and aging signs.

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Blue LED light

Green LED light

Purple LED light

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