AIM: To prepare and submit 30g of dusting powder.
POWDER TYPE: Bulk powder for external use
FORMULA:
'
| Sl NO |
Ingredients | Official Formula |
Working Formula |
|---|---|---|---|
| 1 | Salicylic acid |
5g | 1.5g |
| 2 | Zinc Oxide |
20g | 6g |
| 3 | Starch powder |
75g | 22.5g |
PRINCIPLE: Dusting powder is used as an astringent and local antiseptic. zinc oxide acts as an astringent and salicylic acid acts as a local antiseptic. The dusting powder should flow easily, spread uniformly, possesses good covering capability, have good absorptivity, and adhere to skin on application. Starch powder is used to impart these properties to the dusting powder. It is a medicated dusting powder and applied to open wounds. Dusting powder is generally dispensed in sifter top container. it may be applied with powder puff, a soft brush or sterile gauze pad. small particles are less likely to irritate the sensitive tissue; hence it is necessary to pass the powder through 80-mesh sieve.
PROCEDURE:
- Weigh the required quantity of fine powders of salicylic acid, zinc oxide and starch..
- Salicylic acid is mixed with zinc oxide followed by starch in a geometric ratio by light titration.
- The above power is mixed and passed through 80-mesh sieve.
- The required quantity of powder is weighed and filled in to a self dispensing container or widemouthed glass bottle.
CATEGORY: Astringent, local Antiseptic.
STORAGE: Store in a dry place.
LABLE: "For external use only"
REPORT: 30 g of Dusting powder prepared and submitted.
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