Antiperspirants & Deodorants: Lecture Overview
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Questions and Answers

What is the main cause of body odor?

  • Inhibition of enzymes involved in bacterial action
  • The action of apocrine secretion
  • Bacterial breakdown of organic materials in sweat (correct)
  • Presence of sterile and odorless sweat glands
  • Which compound exhibits deodorant properties by inhibiting the growth of microorganisms in the axillae?

  • Antibacterial cationic agents (correct)
  • Chlorhexidine acetate
  • Triclosan
  • QUATs (Benzelkonium chloride)
  • How do antiperspirants work to reduce sweat production?

  • By promoting bacterial growth in the sweat glands
  • By enhancing the oxidation of fatty acids
  • By inhibiting the action of apocrine secretion
  • By forming a plug in the sweat duct (correct)
  • What is the ideal substrate for bacterial growth leading to body odor?

    <p>Sweat rich in organic materials (A)</p> Signup and view all the answers

    What is responsible for producing body odor?

    <p>Bacteria on the skin breaking down acids in sweat (B)</p> Signup and view all the answers

    Which type of sweat is sterile and odorless at the time of discharge?

    <p>Both eccrine and apocrine sweat (B)</p> Signup and view all the answers

    Which substance is often used as a propellant in aerosol sprays?

    <p>Propane (A)</p> Signup and view all the answers

    What type of aerosol contains particles introduced directly into the gas?

    <p>Primary aerosols (A)</p> Signup and view all the answers

    Which ingredient is often used to reduce sweat secretion?

    <p>Aluminum chlorohydrate (B)</p> Signup and view all the answers

    What is the main function of gelling agents in deodorant and antiperspirant sticks?

    <p>Control stick consistency (D)</p> Signup and view all the answers

    Which substance is added to aerosol products to give an immediate sense of coolness when applied to the skin?

    <p>Isobutane (D)</p> Signup and view all the answers

    What is the purpose of adding fragrance and colorants to deodorant and antiperspirant sticks?

    <p>Improve odor and appearance (A)</p> Signup and view all the answers

    What is the role of alcohol in aerosol products?

    <p>To dissolve active ingredients (A)</p> Signup and view all the answers

    What type of material forms the bulk of the formulation in deodorant and antiperspirant sticks?

    <p>Waxy or fatty materials (A)</p> Signup and view all the answers

    Which substance is added to deodorant and antiperspirant sticks to give the product a dry feel?

    <p>Talc (C)</p> Signup and view all the answers

    What is the purpose of adding propellant to aerosol products?

    <p>To release the product as a fine spray (B)</p> Signup and view all the answers

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