Preparation of ointments Ointments are prepared by two general methods: – Incorporation – Fusion Incorporation By the incorporation method, the components are mixed until a uniform preparation is attained.
What are different types of ointments?
- Petroleum jelly.
- Anhydrous lanolin.
- Waxes.
- Vegetable oils.
- Lard.
What are various types of ointment bases?
There are three major types of ointment bases: oleaginous (greasy) bases , which are water repellent; water-absorbing bases, which are greasy but allow absorption of water, and water-miscible bases (vanishing creams or water-soluble bases).
What are the ointment bases explain with example?
It is a w/o emulsion. They are miscible with an excess of water ointment made from water miscible bases are easily remove after use. There are three official anhydrous Water miscible ointment base. Example :- Emulsifying ointment B.P. :- anionic emulsifier , ceterimide Emulsifying ointment B.P. :- cationic emulsifier.
Which is ointment base?
Description: An anhydrous base designed to protect and soften extremely dry skin . May also be used to prepare water-in-oil emulsions by adding small amounts of aqueous solution.
What is cream example?
Cream is defined as the oily, yellowish part of milk, or something made from this substance. An example of cream is a dollop of whipped white topping on an ice cream sundae ; whipped cream. An example of cream is a moisturizer in a jar.
How do ointments work?
Otherwise known as rubifacient, the medicine is designed to dilate skin capillaries . Thus, it increases blood flow to the injured muscles tissues. Thus, when little amount of this ingredient are absorbed through the skin, they will enter the bloodstream and function in the same way as aspirin.
What is the difference between ointment and cream?
What’s the difference between cream and ointment? Creams and ointments can be either medicinal or cosmetic. The primary difference between the two is the ratio between oil and water . While a cream has equal parts oil and water, ointments have about 80 percent oil.
What type of ointment base is white ointment?
Decolored petrolatum is known as white petrola-tum. Petrolatum forms an occlusive film on the skin and absorbs less than 5% water under normal conditions. Wax can be incorporated to stiffen the base. For example, yellow ointment contains 5% w/w yel-low wax and 95% w/w petrolatum.
What is the role of simple ointment?
To lubricate and protect the eye in conditions such as exposure keratitis, decreased corneal sensitivity, recurrent corneal erosions, keratitis sicca, ophthalmic and non-ophthalmic surgery, sticky eyes and to soften crusts formed due to inflammation of the eye lids.
What is ointment used for?
Ointments are preparations for external use, intended for application to the skin . Typically, they have an oily or greasy consistency and can appear “stiff” as they are applied to the skin. Ointments contain drug that may act on the skin or be...
What is pH of ointment base?
Ointments prepared by incorporating five per cent ethyl aminobenzoate in Hydrophilic Ointment U. S. P. were buffered at different pH values ranging from 3.5 to 10 .
What are the ingredients of eye ointment base?
- Azadirachta Indica.
- Macrogol.
- Microbicides.
- Drug Release.
- Antiinfective Agent.
- Zeolite.
- Prostaglandin E1.
- Petrolatum.
What is white ointment?
Medical Definition of white ointment
: an ointment consisting of 5 percent white wax and 95 percent white petrolatum . — called also simple ointment.
What makes something a cream?
Creaming, in this sense, is the technique of softening solid fat, like shortening or butter , into a smooth mass and then blending it with other ingredients. ... These air bubbles, locked into the semi-solid fat, remain in the final batter and expand as the item is baked, serving as a form of leavening agent.
What does cream mean for a girl?
Also cream one’s jeans. Slang: Vulgar . to have an orgasm, especially to ejaculate or experience glandular lubrication of the vagina.
