Personal care
Listerine Cool Mint Antiseptic shrank 13.3%
Listerine's Listerine Cool Mint Antiseptic went from 1500 ml to 1300 ml at the same shelf price — first observed shipping at the reduced size around June 2022.
Before · January 2020
1500 ml
After · June 2022
1300 ml
Package size
-13.3%
Effective price-per-unit increase
At the tracked shelf price of $6.99, that's $0.0047 per ml before, versus $0.0054 per ml after — a 15.4% jump in cost per unit even though the sticker price never moved. This assumes the price held constant across the resize, which is the defining trait of shrinkflation.
Source
Verified against mouseprint.org. Added to Shrunk's browse feed September 2025.
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