Communicable diseases are diseases that can be spread from one person to another. An example of a communicable disease is Hepatitis B (HBV). What part of the body does HBV affect?

Most states require cosmetologists to take a two-part exam to become licensed or certified.  The first part is a written multiple-choice exam covering subjects like skin structure, nail structure, haircutting, facials and sanitation. The second part is a hands-on exam where a cosmetology candidate needs to demonstrate knowledge and skill in like haircutting, color application and manicure.