Lowest price we found
$36.40at My Beauty IdolSave $12.60
Buying a few things? A haul finds the cheapest way to get them all delivered. How it works
COSRX The Hyaluronic Acid 3 Serum (30ml) sells for $36.40 to $49.00 across 2 Australian stores with stock. The cheapest is My Beauty Idol, saving $12.60 over the most expensive. Prices last checked .
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Today’s lowest price is $36.40 at My Beauty Idol.
Common questions
- Where is COSRX The Hyaluronic Acid 3 Serum cheapest in Australia?
- My Beauty Idol has the lowest price at $36.40, out of 2 Australian stores with it in stock. Prices checked 3 November 2026.
- Which Australian stores sell COSRX The Hyaluronic Acid 3 Serum?
- My Beauty Idol and Kosmetics have it in stock.
- What other sizes does COSRX The Hyaluronic Acid 3 Serum come in?
- We also compare 20ml (from $24.72). Each size has its own comparison, so check you're looking at the one you want.
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