Creams And Gels Flashcards
Define cream
The composition of a cream typically includes what three main components?
Water phase
Oil phase
Emulsifying agent
What is meant by water phase
What is meant by oil phase
What is meant by emulsifying agent
What are other additives added to cream?
Preservatives
Thickeners
Humectants
Fragrances
Colorants
What are the purposes of creams
Moisturizing
Protecting
Soothing
Delivering active ingredients to treat various skin conditions
What are the examples of active ingredients that the creams can be formulated with
Anti-inflammatory agents
Antimicrobial agents
Corticosteroids
Anti-fungal agents
Local anesthetics
What are creams designed for
For external use only and should not be ingested or used on open wounds without medical supervision
Many patients and physicians prefer creams to ointments why
Because they are easier to spread and remove
What do pharmaceutical manufacturers do to satisfy the preferences of the patients and physicians
They manufacture topical preparations of a drug in both cream and ointment bases
Define cosmeceuticals
Define gels
Semi-solid system that consists of a network of solid particles dispersed in a liquid phase
Gels are designed to provide what
What are the gels main features
Gel matrix
Liquid phase
API
Penetration enhancers
Stabilizers and preservatives
Rheology modifiers
Explain the gel matrix feature
Explain the liquid phase feature
Explain the API feature
Explain the penetration enhancers feature
Explain the stabilizers and preservatives feature
Explain the rheology feature
Explain the localized drug delivery advantage of gel
Explain the enhanced drug retention advantage of the gel
Explain the non-greasy and non+staining advantage of gel
Explain the versatile formulation advantage of gel
Explain the ease of administration advantage of gel
Define thixotropy
Explain the network breakdown
Explain the network reformation
What is the application of thixotropy in pharmaceuticals ?
