Milady Chapter 20 Exam review Questions And Answers Graded A+

manufacturers add an alkalizing agent to waving solutions because the acid in them - neither swells the hair or penetrates into the cortex a pH of 7.0 is _____________ than the pH of hair. - 100 times more alkaline A reduction reaction involves either the addition of hydrogen or the removal of - oxygen a type of wrap is which the hair is wrapped on one rod from the scalp to midway down the hair shaft. - bricklayer permanent wrap Ammonia-free waves - contain some ammonia An endothermic wave must be activated using an - Outside heat source chemical texturuzers ________ the pH of the hair. - raise for on-base placement, the hair is wrapped at a _________angle beyond perpendicular to it's base section and the rod is positioned on it's base. - 45-degree GMTG, the primary reducing agent in all acid waves, has - a low pH hydrogen bonds can be broken by - either water or heat Hydroxide ions left in hair after a relaxer can be neutralized using - acid-balanced shampoo if the clients hair has been treated with a hydroxide relaxer it - will not hold a curlin permanent waving most of the processing takes place within - 5 to 10 minutes In permanent waving the size of the curl is determined by the - size of the rod is a method of hair straightening that combines the use of a theo relaxer with flat ironing? - Japanese Thermal Straightening is a type of wrap that uses one end paper folded in half over the hair ends like an envelope. - bookend wrap is a wrapping pattern in which all the rods within a panel move in the same direction and are positioned on equal bases. - basic permanent warp is commonly known as a lye relaxer - sodium hydroxide relaxers is not one of the three main components of an exothermic wave - concentrator a _____________ is a perm wrap in which one end paper is under and another is placed over the strand for the hair being wrapped. - double flat wrap is the tough exterior of the hair - cuticle Japanese thermal straightening - is sometimes called thermal reconditioning. lithium hydroxide relaxers and potassium hydroxide relaxers are often advertised sold as - no-lye relaxers long chains of amino acids joined together by peptide bonds known as - polypeptide chains middle layer of the hair is the - cortexMild-strength relaxers are formulated for - fine, color-treated, or damaged hair most acid waves found in today's salons have a pH between - 7.8 and 8.2 Most permanent waves have a pH between - 9.0 and 9.6 Permanent wave solution should be rinsed from the hair for a minimum of - 5 minutes porous hair - can be damaged by a highly alkaline permanent waving solution Refers to the angle at which the rod is positioned on the head. - base direction refers to the position of the rod in relation to it's base section. - base placement refers to the thinness or thickness of a liquid - viscosity relaxers are - extremely alkaline stops the action of the waving solution and rebuilds the hair into it's new curly form. - thio neutralization The _______________________ is the innermost layer of the hair. - Medulla The basic components of acid waves are permanent wave solution , activator and - Neutralizer The chemical bonds that join amino acids together are called - pep