12 Questions
What is the primary difference between oil-in-water (O/W) and water-in-oil (W/O) creams?
O/W creams have a continuous oil phase while W/O creams have a continuous water phase.
Which of the following is NOT a typical characteristic of vanishing creams?
Water-in-oil (W/O) type emulsion
Which of the following is a common natural emulsifying agent used in O/W creams?
Olive oil
Why are hydrophobic drugs more readily released from W/O creams compared to O/W creams?
The continuous oil phase in W/O creams provides a more favorable environment for hydrophobic drugs.
Which of the following is NOT a typical component found in the composition of a vanishing cream?
Antimicrobial agents
What is the primary advantage of O/W creams over W/O creams?
O/W creams are more comfortable and cosmetically acceptable.
What is the purpose of adding beeswax, wool alcohols, and wool fat to skin care preparations?
To form an oily barrier to reduce water loss from the stratum corneum
Which compound saponifies fatty acids in beeswax, allowing for a more stable cream?
Borax
What is the function of liquid paraffin in skin care preparations?
Prevent water loss by forming an occlusive film
Which component is NOT typically found in the formulation of skin care products?
Citrate buffer
In the classification of creams based on function, which type may include products like all-purpose cream, baby cream, and hand cream?
Cosmetic creams
What is the primary purpose of Hydrocortisone cream in skin care?
To provide relief from inflammatory conditions like dermatitis
Explore the world of creams by learning about the different types, components, manufacturing process, and various uses. Understand the advantages and disadvantages of creams in pharmaceutical formulations.
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