L5 Ointments Flashcards Preview

PR3117 Formulation > L5 Ointments > Flashcards

Flashcards in L5 Ointments Deck (7)
Loading flashcards...
1

What is an ointment?

A homogenous semi-solid preparation.
Usually consists of solutions or dispersions of one or more API in suitable bases.
Applied to skin or mucous membrane for emollient, therapeutic or prophylactic purposes.

2

What are the 4 types of ointments?

1. Oleaginous bases
2. Absorption bases
3. Emulsion bases
4. Water-soluble bases

3

Name the 3 types of degree penetration.

1. Epidermatic
2. Endodermatic
3. Diadermatic

4

What do Oleaginous bases compose of?

Only lipophilic materials

5

Name 1 example of oleaginous bases and its properties

Petrolatum
-> Excellent emollient
-> Compatible with many drugs and promotes stability

6

What are the 5 common lipophilic compounds found in Oleaginous bases?

1. Hydrocarbons
2. Vegetable oils
3. Hydrogenated, sulfated oils
4. Silicones
5. Fatty acids, alcohols, esters

7

Name 5 desirable properties of oleaginous bases.

1. Anhydrous
2. Non-hydrophilic
3. Non-water removable
4. Greasy
5. Occlusive