Related entry: Paraffins
|Hard Paraffin||12.00|||||2 oz. 175 grains|
|Liquid Paraffin||48.00|||||9 fl. oz, 288 min.|
|Oleic Acid||30.00|||||6 fl. ounces|
|Ammoniated Alcohol (10 per cent.)||10.00|||||2 fl. ounces|
Melt the hard paraffin on a water-bath, add the liquid paraffin, the oleic acid, and ammoniated alcohol, and continue the heat until the resulting product weighs 90 (18 ounces).
Thick parogen may be used as an ointment basis when absorption of a drug by the skin is required, but the use of parenol may sometimes be found preferable.