Before a reusable comb can be disinfected, this must first be removed from it.
What is visible debris, hair, and product buildup?
This bone forms the forehead.
What is the frontal bone?
The diameter of an individual hair strand is called this.
What is hair texture?
A gradual transition from very short hair to longer hair is called this.
What is a taper?
A substance with a pH of exactly 7 has this classification.
What is neutral?
These disposable items are designed to be used once and discarded rather than cleaned and disinfected.
What are single-use items?
This powerful muscle contracts when a client clenches the jaw.
What is the masseter?
Hair that absorbs moisture and chemical products very quickly usually has a high level of this property.
What is porosity?
This section establishes the cutting length used for the sections that follow.
What is a guide or guideline?
This is the principal oxidizing agent used in oxidative haircolor.
What is hydrogen peroxide?
A barber touches a contaminated tool and then touches a clean workstation. This has occurred.
What is cross-contamination?
These glands produce sebum, the skin's natural oil.
What are the sebaceous glands?
This is the active growth phase of the hair cycle.
What is anagen?
Hair projected at this elevation is most associated with uniform layers.
What is 90 degrees?
Permanent-wave solution reduces and breaks these strong chemical side bonds in the hair.
What are disulfide bonds?
A disinfectant label requires a 10-minute contact time. This is how long the surface must remain wet with the disinfectant.
What is 10 minutes?
This tiny muscle contracts and causes the hair to stand more upright when a client gets goose bumps.
What is the arrector pili muscle?
This growth pattern forms a circular pattern around a central point.
What is a whorl?
During a standard second-time-over shave, light freehand strokes should generally travel with or across this.
What is the grain, or direction of hair growth?
A hair-replacement client wants to wear the hair completely away from the forehead. This type of front is best suited for that look.
What is a lace front?
A blood-contaminated disposable razor blade must be placed in this type of container
What is a puncture-resistant sharps container?
A shaving nick bleeds because the razor has reached this skin layer, which contains blood vessels.
What is the dermis?
Sudden round or patchy areas of hair loss are characteristic of this condition.
What is alopecia areata?
Combing a section away from its natural falling position before cutting it is called this.
What is overdirection?
After waving lotion changes the hair's shape, this product oxidizes and reforms the disulfide bonds.
What is permanent-wave neutralizer?