Preparation 13: CALCIUM HYDROXIDE TOPICAL SOLUTION

Calcium oxide

Purified water

Filter paper

Watch glass

Mortar or beaker

Materials used

Solutions

refer to preparations of liquids composed of at least one chemical substance dissolved in a solvent or a mixture of mutually miscible solvents.

Solutions

defined as the homogenous mixture of two or more substances.

Calcium hydroxide topical solution

a clear, colorless solution with an alkaline taste.

Calcium hydroxide topical solution

It is generally employed with other ingredients in dermatological solutions together with lotion, astringent, a protector in lotion preparation, and an emulsifying agent

1. Slake the Cao (adding water to release heat and forms a crumbly material in a mortar or beaker) and cover it with a watch glass

2. Let it stand for 5 mins

3. Add cold water and agitate for 1hr to totally dissolve the CaO

4. Filter the mixture and collect the supernatant liquid only

5. Fill the container with enough cold water until it reaches the brim, ensuring there are no bubbles inside. A clear/colorless solution should be achieved.

Procedure

Topical astringent

Category

Lime water

Synonym

Calcium Hydroxide Topical Solution

A clear, colorless, odorless aqueous solution with an alkaline taste

Calcium Hydroxide Topical Solution

Used as an astringent, particulary for soothing minor burns, poision ivy, and inflamed skin

Simple solution, followed by decantation, and filtration

Method used