Milady Esthetics State Board Practice Test

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Prepare for the Milady Esthetics State Board Test. Study with comprehensive questions and insightful explanations. Ace your exam with confidence!

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Which color light is known to improve acne and skin tone?

Red light
Green light
Yellow light
Blue light

The correct answer is: Blue light

Blue light therapy is recognized for its efficacy in treating acne and improving skin tone. This specific wavelength of light penetrates the skin and is particularly effective in targeting the bacteria responsible for acne, known as Propionibacterium acnes. The blue light helps to kill these bacteria, reducing inflammation and the formation of pimples. Additionally, blue light therapy aids in regulating oil production in the skin, which is a significant factor in acne development. The treatment is non-invasive and often used in conjunction with other therapies to enhance overall skin clarity and texture. While other colors of light have their own benefits—such as red light promoting healing and reducing inflammation, and green light being used for pigmentation issues—the specific action of blue light on acne and its ability to improve skin tone make it the most suitable choice for those concerns.