Colorado Esthetician Written Practice Exam

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Where should a patch test be conducted?

Back of the neck
Inside of arm
On the stomach
Upper thigh

The correct answer is: Inside of arm

A patch test should be conducted on the inside of the arm. This area is often the recommended spot for patch testing because the skin on the inside of the arm is typically more sensitive and similar to facial skin. Conducting the patch test on this area helps to assess any adverse skin reactions or sensitivities before a product is applied to a larger area, such as the face. The back of the neck, stomach, and upper thigh are not commonly used for patch testing as they may not provide an accurate representation of how the facial skin will react to the product.