Ear preparations, also known as otic formulations, are specialized pharmaceutical products intended for administration into the external auditory canal. They are used for local treatment of ear conditions such as infections, inflammation, pain, or wax buildup. Types of Ear Preparations 1. Ear Drops: Liquid preparations administered dropwise into the ear …
DeepakRajput 
Creams: Definition, Types, Composition, Properties, Advantages, Disadvantages
Creams are semisolid emulsions intended for topical application on the skin or mucous membranes. They are typically a mixture of oil and water, with the consistency and type determined by the proportion of oil (lipid) and water. Creams are used for both therapeutic and cosmetic purposes. Types of Creams 1. …
