Those consisting of bases that permit the incorporation of aqueous solution with the formation of a water-in-oil emulsion/anhydrous/emulsifiable bases.
Absorption Base
AKA Absorbent Bases
Absorption Base
Those consists of (w/o) emulsion that permit the incorporation of additional quantities of aqueous solution or w/o type.
Absorption Base
are semisolid preparations containing one or more medicinal agents dissolved or dispersed in either a w/o emulsion or an o/w emulsion or in another type of water washable base.
CREAMS
Are semisolid preparations intended for application to the skin. They generally contain a larger proportion of solid material (such as 25%) than ointments and therefore are stiffer.
PASTES
Find primary application in topical skin products and in products used rectally and vaginally.
CREAMS
Because of the stiffness, they remain in place after application and are effectively employed to absorb serious secretions. It is not suited for application in hair parts.
PASTES
COLD CREAM
Synonym
• Unguentum Aquae Rosae Petrolatum
• Petrolatum Rose Water Ointment
COLD CREAM
Uses
• Emollient
• Cleansing cream
• Ointment base
What type of ointment base is cold cream?
• W/O Emulsion Ointment Base
What is the difference of cold cream from rose water ointment?
They differ in that mineral oil is used in place of almond oil and omitting the fragrance.
What should be done if the ointment was chilled?
it should be warmed
What is the precaution to be observed when dispensing rose water ointment?
Free from Rancidity
What is the problem encountered with ointments?
o Rancidity
o Blending
o Change in Consistency due to aging or changes with temperature
ZINC OXIDE PASTE WITH SALICYLIC ACID
Synonyms
• Lassar’s Paste
• Pasta Zinc Oxide Coun Acido Salycilico
ZINC OXIDE PASTE WITH SALICYLIC ACID
Uses
• Mild Astringent
• Protective
• Antibacterial and Antifungal Properties with Salicylic Acid.
What is the percentage composition of zinc oxide and salicylic acid in the preparation?
• 2% - Salicylic
• 98% - Zinc oxide paste
Identification Test (purity) used for the preparation?
the residue obtained in the assay for ZnO is
yellow when hot and white when cool
ZnO, starch and white petrolatum
Zinc oxide paste
ZnO, Mineral oil and white ointment
ZnO ointment