Nevada State Board of Cosmetology Theory test Study Questions and Answers 2024

anagen phase - Also known as growth phase; phase during which new hair is produced. Beveling - Haircutting technique using diagonal lines by cutting hair ends with a slight increase or decrease in length. or A stacking tehnique single-use - Disposable items cannot be used more than once Decontamination methods 2 - Cleaning and Steriling Humectants - Substances that absorb moisture or promote the retention of moisture. hair root - The part of the hair located below the surface of the epidermis. structure of the hair root - hair follicle hair bulb dermal papilla arrector pilimuscle sebaceous glands traveling guideline - Also known as movable guideline; guideline that moves as the haircutting progresses, used often when creating layers or graduation. stationary guideline - guideline that does not move Temporary haircolor - Nonpermanent color whose large pigment molecules prevent penetration of the cuticle layer, allowing only a coating action that may be removed by shampooing. Deionized water - Water that has had impurities, such as calcium and magnesium and other metal Ions Regular relaxers - Normal texture or Medium curl Average porosity - Cuticle is slightly raised hair cuticle - outermost layer of hair cortex of hair - the middle layer also is the layer that holds color no-lye relaxers - Lithium hydroxide and potassium hydroxide disulfide bonds - Strong chemical side bonds formed when the sulfur atoms in two adjacent protein chains are joined together. Mild relaxer - best for fine , color treated, or damaged hair surfactants - the second ingredient that most shampoos have in common hydrogen relaxer - Relaxers with a high alkaline (pH) content; available in varying formulations for black folks when hair is green - use red to balance Density - measure the number of individual hair strands on one square inch of scalp hair porosity - The ability of the hair to absorb moisture Elasticity - the ability of the hair to stretch and return to its original length without breaking Canities - gray hair Aniline derivatives - Contain small, uncolored dyes that combine with hydrogen peroxide to form larger, permanent dye molecules within the cortex. horizontal lines - Lines parallel to the floor or horizon; create width in design. hard water - well water contains minerals that reduce the ability of soap secondary colors - is a color obtained by mixing equal parts of two primary colors - are pure fundamental colors red yellow and blue Elevation - know as projection or lifting Apex - The top of the head soft water - Rainwater or chemically softened water that contains only small amounts of minerals and, therefore, allows soap and shampoo to lather freely. graduated cuts - wedge or haircuts that result from cutting the hair with tension medium elevation or over Direction Palm to palm - Cutting position in which the palms of both hands are facing each other.