Aim: To prepare and submit 1g of dusting powder
Apparatus:
- Pestle and mortar
Formula:
| Ingredients | Official Formula | Working Formula |
|---|---|---|
| Zinc oxide | 250g | 250mg |
| Starch powder | 250g | 250mg |
| Purified talc, sterilized | 500g | 500mg |
Principle:
Dusting powders are used externally . They are of two types, medicated and surgical dusting powder. Medicated dusting powders are applied on intact skin for their adsorptive, astringent , skin protectant and lubricating properties. Hence they need not to be sterile. Surgical dusting powder are used on cut skin, burn or wound. Hence they must be sterilized. Dusting powder includes ingredients that are astringent( zinc oxide and zinc sulphate), absorbents(kaolin, starch), adherents(stearate of aluminum, zinc and magnesium), slippery agent (talc, zinc stearate)
Procedure:
- Mix camphor with ammonium chloride and methanol with light carbonate separately by light trituration in excess quantity
- Individual mixtures are combined together with light trituration in a mortar
- Weigh 1g of blend and pack by double wrap technique
- Dispense in a labeled envelop
- Discard the excess powder blend
Category: Soothing and lubricating antiseptic dusting powder
Storage: Store in dry & place protected from moisture
Container: Glass , plastic or metal container with sifter type cap
Direction: For external use only.
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