_____ shampoos, sometimes called soap-free shampoos, are formulated with little to no alkaline soap base, are compatible with hair and soft water sources, and are known to be sensitive to artificial hair color. a. Sulfate-free b. Conditioning c. Medicated d. Neutralizing

What special chemical agents are applied to the hair to deposit protein or moisturizer to help restore the hair’s strength, infuse moisture, give hair body, and protect hair against possible breakage? a. Shampoos b. Conditioners c. Keratin d. Medications

Which of the following may appear to be one solid piece, but is actually constructed of about 100 layers of nail cells?

Hair that has been lightened, colored, permed, chemically relaxed, or processed with a keratin straightener is called _____. a. overprocessed b. reactivated c. chemically treated d. synthetic

What water purification process is used in the manufacture of cosmetics, in which water is heated until it becomes a vapor, then collected as a liquid? a. Sedimentation b. Distillation c. Evaporation d. Filtration

Contrasting lines are horizontal and vertical lines that create a hard edge and form a _____. a. 30-degree angle b. 45-degree angle c. 90-degree angle d. curved arc

The three different types of side bonds that link chains of amino acids together are _____. a. oxygen, hydrogen, and salt b. hydrogen, ionic, and carbon c. ionic, helix, and disulfide d. hydrogen, salt, and disulfide

Use a _____ to draw a line in a hairstyle in the direction you want the eye to travel. a. light color b. dark color c. recessed color d. warm color

_____-based chemical treatments used for smoothing or straightening are now more readily available but still not considered completely permanent. a. Color b. Curl c. Keratin d. Oil

When securing a cape as draping for a basic shampoo, do not let the cape touch the _____. a. client’s skin b. shampoo sink c. client’s towel d. shampoo chair