Waves that are activated from an outside heat source are considered:

The top of the papillary layer where it joins the epidermis is the:

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: