Idaho Barber Licensure Practice Exam

Certain chemical preparations can be absorbed into the skin through hair follicles and sweat pores. This is because these openings provide direct access to the lower layers of the skin, including the dermis, where blood vessels are located. As for the other options, surface scratches and nail beds may allow for some absorption, but they are not as efficient as hair follicles and sweat pores. And the epidermis only refers to the top layer of the skin, which does not have blood vessels and therefore does not allow for absorption of chemicals.