Study Set Content:
mpart a soft, supple feeling to the skin, helping the skin to retain moisture and natural flexibility.
Emollient
increase skin hydration by reducing the rate of loss of surface wate
Occlusive dressings
difficulty with small additions of aqueous preparation
Immiscible with water
decolorized petrolatum
White petrolatum
Levigating agent
petrolatum
petrolatum + yellow wax
yellow ointment
Purified mixture of semisolid HCs obtained from petroleum
petrolatum
petrolatum melts at
38 degrees to 60 degrees
yellow wax is purified wax from honeycomb of bee
apis mellifera
bleached and purified yellow wax
white wax
useful as pharmaceutical adjuncts to incorporate small volumes of aqueous solutions into hydrocarbon bases
Absorption bases
Permit the incorporation of aqueous solutions resulting in the formation of water- in-oil (W/O) emulsions
Hydrophilic petrolatum
W/O emulsions that permit incorporation of additional qty of aqueous solution ➢ AKA “emulsion bases”
Lanolin
Cholesterol
30g
Stearyl alcohol
30g
white wax
80 g
white petrolatum
860 g
hydrophilic petrolatum usp ingredients
cholesterol
stearyl alcohol
white wax
white petrolatum
Hydrophilic Petrolatum, USP
Commercial
Aquaphor and Aquabase
Hydrophilic Petrolatum, USP
Eucerin
50% W/O emulsion
