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Created by Tricia Wilson
about 3 years ago
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| Question | Answer | 
| Interior guideline | "The inside of the haircut rather than on the perimeter," (387). | 
| Notching shears | An aggressive version of point cutting towards the ends of the hair. (See 395) | 
| Clipper-over-comb | "The clippers move side to side across the comb rather than bottom to top," (400). | 
| Rockwell hardness | How hard the metal for shears is. The ideal RH is 56/57. (See 371) | 
| Natural distribution | "Where and how hair is moved over the head, when locating the bang area," (390). | 
| Shears 
Image: 
Shear (binary/octet-stream)
 | "Also known as scissors. Mainly used to cut blunt or straight lines in the hair. They may also be used to slide cut, point cut," (370). | 
| Japan, Germany, and United States | "Three countries are primarily responsible for manufacturing the steel used to make professional shears," (371) | 
| Head shape | "The shape of the head, referred to as the head form, also known as head shape," (358). | 
| Diagonal lines | "Between horizontal and vertical and they have a slanting or sloping direction," (362). *Diagonal Forward *Diagonal Back | 
| Gravity | "Hair that grows below the parietal ridge, or crest, hangs because of gravity," (360). | 
| Angles | "Angles are important elements in creating a strong foundation and consistency in haircutting because this is how shapes are created," (361). | 
| Convex 
Image: 
Convex (binary/octet-stream)
 | "Has a receding forehead and chin," (312). | 
| Weight-line | "A visual line in the haircut where the ends of the hair hang together," (382). | 
| Palm-to-palm | "The palms of both hands are facing each other while cutting," (381). | 
| Angle | "Space between two lines or surfaces that intersect at a given point," (438). | 
| Client consultation | The first step is when greeting a client. | 
| Texturizing | "Haircutting technique designed to remove excess bulk without shortening the length; changing the appearance or behavior of the hair through specific haircutting techniques using shears, thinning shears, or a razor," (441). | 
| Minimum tension | Hair not pulled tightliy. | 
| Haircutting shears | Shears that are specific to cutting hair. | 
| Bang/Fringe | Front triangle area from temples back. | 
| Elevation | "Also known as projection or lifting; the degree at which a subsection of hair is held, or lifted, from the head when cutting," (439). | 
| Design lines | Lines in a haircut that creates a design. | 
| Layered haircut | "Effect achieved by cutting the hair with elevation or overdirection; the hair is cut at higher elevations, usually 90 degrees or above, which removes weight," (439). | 
| Blunt haircut | "Also known as a one-length haircut; haircut in which all the hair comes to one hanging level, forming a weight line or area; hair is cut with no elevation or overdirection," (438). | 
| Dermal Papilla (DUR-mul puh-PIL-uh]) | "small, cone-shaped elevations at the base of the hair follicles," (157). | 
| Trichology | "The scientific study of hair and its diseases and care," (251). | 
| Hair Cuticle | "Outermost layer of hair; consisting of a single, overlapping layer of transparent, scale-like cells that look like shingles on a roof," (249). | 
| Cortex | "Middle layer of the hair; a fibrous protein core formed by elongated cells containing melanin pigment," (249). | 
| Medulla | "Innermost layer of the hair that is composed of round cells; often absent in fine and naturally blond hair," (250). | 
| Pityriasis | "The technical term for dandruff; characterized by excessive production and accumulation of skin cells," (250). | 
| Malassezia | "Naturally occurring fungus that is present on all human skin, but is responsible for dandruff when it grows out of control," (250). | 
| Tinea | Ring worm | 
| Pediculosis Capitis | head lice | 
| Furuncle | "Boil; acute, localized bacterial infection of the hair follicle that produces constant pain," (249). | 
| Carbuncle | "Inflammation of the subcutaneous tissue caused by staphylococci; similar to a furuncle but larger," (249). | 
| Keratinization (kair-uh-ti-ni-ZAY-shun) | "Process by which newly formed cells in the hair bulb mature, fill with keratin, move upward, lose their nucleus, and die," (250). | 
| Helix | "Spiral shape of a coiled protein created by polypeptide chains that intertwine with each other," (250). | 
| Hydrogen Bonds | "A weak, physical, cross-link side bond that is easily broken by water or heat," (250). | 
| Disulfide Bonds | "Strong chemical side bond that joins the sulfur atoms of two neighboring cysteine amino acids to create one cystine, which joins together two polypeptide strands like rungs on a ladder," (249). | 
| Lanthionine Bonds | "The bonds created when disulfide bonds are broken by hydroxide chemical hair relaxers after the relaxer are rinsed from the hair," (250). | 
| Melanin | Natural pigment of the hair. | 
| Vellus Hair | "Also known as lanugo hair; short, fine, unpigmented, and downy hair that appears on the body, with the exception of the palms of the hands and the soles of the feet," (251). | 
| Terminal Hair | "Long, coarse, pigmented hair found on the scalp, legs, arms, and bodies of males and females," (251). | 
| Anagen | The first part of the growth phase | 
| Catagen | Transition phase | 
| Telogen | Resting/end phase of hair | 
| Trichoptilosis | split ends | 
| Canities | gray hair | 
| Hypertrichosis | "Also known as hirsuties (hur-SOO-shee-eez); condition of abnormal growth of hair, characterized by the growth of terminal hair in areas of the body that normally grow only vellus hair," (250). | 
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