Natural Cosmetics: Ingredients and Qualifiers
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Questions and Answers

What percentage of natural ingredients must a cosmetic contain in order to be classified as 'natural'?

  • 95% (correct)
  • 90%
  • 80%
  • 85%
  • What distinguishes an organic cosmetic from a natural cosmetic?

  • Use of genetically modified ingredients
  • Use of flower water instead of simple water (correct)
  • Use of artificial fragrances
  • Addition of preservatives
  • Which of the following is NOT considered a primary metabolite in plants?

  • Vitamins (correct)
  • Proteins
  • Carbohydrates
  • Lipids
  • What are the characteristics of lipids mentioned in the text?

    <p>Solidification point and yellow color</p> Signup and view all the answers

    What is the main difference between fixed oils and butters?

    <p>Fixed oils are liquid at room temperature, while butters are solid or semi-solid.</p> Signup and view all the answers

    Why is castor oil saponified in basic alcohol solutions?

    <p>To obtain the fatty acids as oil.</p> Signup and view all the answers

    What is the chief constituent of castor oil?

    <p>Ricinoleic acid</p> Signup and view all the answers

    Why is coconut oil useful as an emollient and used in skin infection remedies?

    <p>Because of its saturated medium-chain fatty acid content.</p> Signup and view all the answers

    What makes rose hips seeds oil different from grape-seed and pomegranate-seed oils?

    <p>Higher percentage of linoleic acid (omega-3).</p> Signup and view all the answers

    What is the general composition of cocoa butter?

    <p>Triglycerides (oleic, stearic, and palmitic acids).</p> Signup and view all the answers

    What percentage of natural ingredients must a cosmetic contain in order to be classified as 'natural'?

    <p>95%</p> Signup and view all the answers

    What distinguishes an organic cosmetic from a natural cosmetic?

    <p>Ingredients originating from organic farming</p> Signup and view all the answers

    What is the chief constituent of castor oil?

    <p>Lipids</p> Signup and view all the answers

    Why is coconut oil useful as an emollient and used in skin infection remedies?

    <p>Lipid-rich composition</p> Signup and view all the answers

    What distinguishes butters from fixed oils?

    <p>Butters contain esters with alcohol and saturated acids.</p> Signup and view all the answers

    Why is coconut oil useful as an emollient and in skin infection remedies?

    <p>It contains polyunsaturated fatty acids in the form of mono-, di- and triglycerides.</p> Signup and view all the answers

    Why is castor oil saponifiable only in basic alcohol solutions?

    <p>It changes the pH value to an acidic environment to obtain the fatty acid as oil.</p> Signup and view all the answers

    What is the chief constituent of castor oil?

    <p>Ricinolein</p> Signup and view all the answers

    What is the main difference between cocoa butter and rose hips seeds oil?

    <p>Rose hips seeds oil contains a higher percentage of linolenic acid compared to grape-seed and pomegranate-seed oils.</p> Signup and view all the answers

    What are the characteristics of waxes mentioned in the text?

    <p>They contain triglycerides of oleic, stearic, and palmitic acids.</p> Signup and view all the answers

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