Blog

Rapid and interrupted current that flows in one direction and then in the opposite direction is:

The fibrous protein core formed by elongated cells that contains melanin pigment is the:

Which of the following terms is used to describe hair’s wave pattern?

The special device that prevents excessive current from passing through a circuit is a(n):

There are two types of electric current: direct and converted.

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

The negative or positive pole of an electric current is referred to as the:

Ammonia-free waves use an ingredient other than ATG, such as cysteamine or mercaptamine.

Infusing water-soluble products into the skin with the use of electric current is known as:

Chemical services should not be performed if the scalp analysis shows any signs of: