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Questions and Answers

What type of emulsion is cold cream?

  • o/w type
  • w/o type (correct)
  • microemulsion
  • multiple emulsion

    • What is the purpose of maintaining the oily and aqueous phases at 70°C while mixing?

  • To increase the shelf life of the cream
  • To sterilize the ingredients
  • To decrease the viscosity of the cream
  • To facilitate the formation of the emulsion (correct)

    • What is the use of humectant in creams? Name the emollient in this cream.

  • To provide fragrance; Cetyl alcohol
  • To act as a preservative; Mineral oil
  • To provide color; Glycerin
  • To attract and retain moisture; Lanolin (correct)

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