Podcast
Questions and Answers
What is the primary difference between oil-in-water (O/W) and water-in-oil (W/O) creams?
What is the primary difference between oil-in-water (O/W) and water-in-oil (W/O) creams?
- O/W creams are stiffer and more emollient than W/O creams.
- O/W creams are more hydrophobic and release drugs more readily compared to W/O creams.
- O/W creams are more difficult to handle while W/O creams are more cosmetically acceptable.
- O/W creams have a continuous oil phase while W/O creams have a continuous water phase. (correct)
Which of the following is NOT a typical characteristic of vanishing creams?
Which of the following is NOT a typical characteristic of vanishing creams?
- Emollient and creamy texture
- White or translucent appearance
- Water-in-oil (W/O) type emulsion (correct)
- Stiff consistency
Which of the following is a common natural emulsifying agent used in O/W creams?
Which of the following is a common natural emulsifying agent used in O/W creams?
- Polysorbate
- Sodium lauryl sulfate (SLS)
- Carboxymethylcellulose (CMC)
- Olive oil (correct)
Why are hydrophobic drugs more readily released from W/O creams compared to O/W creams?
Why are hydrophobic drugs more readily released from W/O creams compared to O/W creams?
Which of the following is NOT a typical component found in the composition of a vanishing cream?
Which of the following is NOT a typical component found in the composition of a vanishing cream?
What is the primary advantage of O/W creams over W/O creams?
What is the primary advantage of O/W creams over W/O creams?
What is the purpose of adding beeswax, wool alcohols, and wool fat to skin care preparations?
What is the purpose of adding beeswax, wool alcohols, and wool fat to skin care preparations?
Which compound saponifies fatty acids in beeswax, allowing for a more stable cream?
Which compound saponifies fatty acids in beeswax, allowing for a more stable cream?
What is the function of liquid paraffin in skin care preparations?
What is the function of liquid paraffin in skin care preparations?
Which component is NOT typically found in the formulation of skin care products?
Which component is NOT typically found in the formulation of skin care products?
In the classification of creams based on function, which type may include products like all-purpose cream, baby cream, and hand cream?
In the classification of creams based on function, which type may include products like all-purpose cream, baby cream, and hand cream?
What is the primary purpose of Hydrocortisone cream in skin care?
What is the primary purpose of Hydrocortisone cream in skin care?
