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Chemical Texture Services Flashcards

7 cards from real Cosmetology Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Chemical Texture Services flashcards as text

  1. What is the role of ammonium hydroxide in an alkaline permanent wave solution?

    Answer: It swells the hair shaft and raises the cuticle to allow penetration

    Ammonium hydroxide raises the pH and swells the hair shaft, lifting the cuticle so the thioglycolate can penetrate and break disulfide bonds.

  2. A client has a history of scalp sensitivity. Which type of relaxer would be most appropriate?

    Answer: Guanidine hydroxide (no-lye) relaxer

    Guanidine hydroxide (no-lye) relaxers have a slightly lower pH than sodium hydroxide relaxers and are generally better tolerated by sensitive scalps.

  3. What is 'base relaxer application' used for?

    Answer: Coating the entire scalp with base cream before applying relaxer

    A base application means the scalp is fully coated with protective base cream before relaxer application to protect sensitive scalp skin.

  4. When performing a perm on hair that has been previously highlighted, the cosmetologist should:

    Answer: Perform a careful strand test and use a gentle formula

    Highlighted hair is already porous and potentially weakened; a strand test and gentle perm formula help prevent over-processing and breakage.

  5. What is the purpose of using end papers during a perm wrap?

    Answer: To smooth and control hair ends to prevent fishhook bends

    End papers smooth and fold around the hair ends, preventing them from buckling or creating an uneven 'fishhook' curl at the tip.

  6. Which of the following best describes the 'smoothing' step in a chemical relaxer service?

    Answer: Using the back of a comb or gloved fingers to straighten the hair during processing

    Smoothing involves using gloved fingers or the back of a comb to gently straighten the hair while the relaxer processes, helping break down the curl pattern.

  7. What chemical process takes place when hydrogen peroxide is used as a neutralizer in a permanent wave?

    Answer: Oxidation — rebuilding disulfide bonds

    Hydrogen peroxide acts as an oxidizing agent, donating oxygen to rebuild (re-form) the disulfide bonds in the hair's new curled position.