A contagious, recurring viral infection characterized by fever blisters or cold sores is:

An inflamed pimple containing pus is a:

Relaxers that contain only one component and are used without mixing are:

An atom or molecule that carries an electrical charge is a(n):

Acne is also known as sebaceous vulgaris.

A common volatile organic compound used in hair spray is:

Cold cream is an example of an oil-in-water emulsion of two immiscible liquids.  

The main food source for acne bacteria is:

The layer of the dermis that houses the nerve endings which provide the body with the sense of touch is found in the:

All of the following are appendages of the skin except: