Colorado Cosmetology Written Practice Exam

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Light therapy, the application of light rays to the skin, is used for all the following EXCEPT:

To decrease circulation
To improve acne
To reduce wrinkles
To treat certain skin conditions

The correct answer is: To decrease circulation

Light therapy is used to improve various skin conditions such as acne and wrinkles, as well as treat certain skin conditions. The use of light therapy actually increases circulation in the skin, making option A incorrect. The other options, B, C, and D are all examples of ways that light therapy can be beneficial to the skin, making them incorrect as well.