A semisolid preparation usually containing medicinal substances and intended for external application. The electric mortar and pestle allows the formulation of the ointment and the dispensing of the formulation to be done in the same container. If you wish to opt out, please close your SlideShare account. Ointments are semisolid dosage forms that comprise less than 20% water and volatiles, and more than 50% hydrocarbons, waxes, or polyols as the vehicle [1]. For example, Calamine Lotion, Salicylic Acid Lotion, Selenium Sulfide Lotion, and Dimethicone Lotion. These are of three types: (1) Epidermic ointments: The drugs present in these type of ointments exert their action on the epidermis of the skin. Typically, they have an oily or greasy consistency and can appear “stiff” as they are applied to the skin. Further, the paper can absorb liquids and may tear when using sticky or thick ointments. Ointment definition: An ointment is a smooth thick substance that is put on sore skin or a wound to help it... | Meaning, pronunciation, translations and examples Water soluble (washable) bases, often derived from polymers of ethylene glycol (PEGs); absorb water and ingredients dissolved in it. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The ointment is applied to the affected area as a thin layer and spread evenly using gentle pressure with the fingertips. If you continue browsing the site, you agree to the use of cookies on this website. According to USP, gels are semisolid preparations that contain dispersions of small or large molecules in an aqueous-based vehicle rendered jelly-like through the adding of a gelling agent. Water soluble (washable) bases are often derived from polymers of ethylene glycol (PEGS); these will absorb water and ingredients dissolved in the water. Gels may be formed by dispersing the gelling agent in the continuous phase (for example by heating starch), by crosslinking the dispersed phase gelling agent, by changing the pH (as for Carbomer  co-polymer), or by reducing the continuous phase by heat or vacuum (as for gels formed with sucrose). Pastes are thick, stiff, semisolid dosage form in which s high concentration of insoluble powder substances (20% to 50%) finely dispersed in a fatty or aqueous base [2]. Creams are opaque, viscous, relatively soft, consistently spreadable, semisolid emulsion dosage forms that often comprise more than 20% water and volatiles and normally less than 50% hydrocarbons, waxes, or polyols as the vehicle for the drug substance [1].

Department of Pharmaceutical Science If you continue browsing the site, you agree to the use of cookies on this website. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Active pharmaceutical ingredients delivered in ointments intended for only local or for systemic absorption. Creams may be considered pharmaceutical products as even cosmetic creams are based on techniques developed by pharmacy and unmedicated creams are highly used in a variety of skin conditions (dermatoses).

Learn More ➣➣➣ http://tinyurl.com/y4p92al9, Scientist reveals real cause of weight gain. Ointment definition is - a salve or unguent for application to the skin. Water-soluble bases, also known as greaseless ointment bases. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.

Image of Ointment, Cream, Paste, Gel and Lotion. Human Resources for the University of Oklahoma. Click Here To Learn More ▲▲▲ http://tinyurl.com/y46t9ja3, A Unique Easy To Follow 5-Step Plan To Eliminating Vitiligo And Related Auto-Immune Skin Disorders Using Proven Holistic Strategies. Heal Vitiligo In 21 Days?

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