By comparing the product prices between 2 chemists/pharmacies, TerryWhite Chemmart is the cheapest. It is $0.33 (3 %) cheaper than next price leader (Chemist Warehouse).
The current price at $11.16 is $0.33 (67 %) more than the historical cheapest price of $6.69 recorded on 14 May 2018.
The price discount recorded on 8 Jun 2018 is part of TerryWhite Chemmart's "Defend Yourself This Winter" promotion campaign which start from 7 Jun 2018 to 26 Jun 2018
You may want to consider similar and cheaper product 1 Revlon Nail Polish Nail Enamel ADVENTUROUS #641 .5 fl oz (14.7ml) can be found at ebay Australia at $9.99.