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

What is the most commonly shaped pin curl base? a. Arc base b. Rectangular base c. Square base d. Panel base

_____ is contraindicated, or not recommended, for clients with severe, uncontrolled hypertension. a. Shampooing b. Color services c. Massage d. Heat treatments

What are the three growth cycles of human hair? a. Anagen, growth phase, and telogen b. Catagen, return, and transition c. Anagen, catagen, and telogen d. Anagen, transition, and mature