Emulsions and lotions

Question 1

Identify the emulsifying agent in the Dentinox Colic drops and explain how the emulsifying agent works

Answer 1

Carbomer - prevents coalescing, absorbs water so swells in contact to increase viscosity to disperse the dispersed phase

Question 2

Identify the two excipients in the Dentinox Colic drops that improve palatability.

Answer 2

Dill oil - fragrance enhancer

Sucrose - sweetner

Question 3

What is the preservative in the Colic Drops?

Answer 3

Nipasept - combination of 3 paraben antimicrobials

Question 4

Is the Colic drops an o/w or a w/o emulsion?

Answer 4

o/w - dimethicone is oil and is not as thick

Question 5

Which excipients are responsible for the drying effect of the Bazuka gel?

Answer 5

Ethanol - evaporates

Question 6

What excipient in the Bazuka gel is repsonsible for the colloidon nature of the product?

Answer 6

Proxylin - produces the film

Question 7

What is the function of camphor and castor oil in the Bazuka gel?

Answer 7

Camphor - makes the film waterproof

Castor oil - makes it flexible

Question 8

Does the patient need to use a plaster after using this product, explain why?

Answer 8

No - they need to leave it to dry and then peel off the white coat