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Questions and Answers
What type of emulsion is cold cream?
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?
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.
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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