Did GUM dental floss (Canada) shrink?

Size FactsDid it shrink? Yes
Before183 metres
After165 metres
−9.8%smaller
Price per metre · if the price stayed the same+10.9%Hypothetical: the size cut alone. The source recorded no shelf prices.

How big a cut? The joint 12th-largest of 19 documented oral care cuts (tied with 3 others); a bigger cut than 31% of all 1,394 cases in the library. See the biggest cuts →

When
2023 · reported 3 Jul 2023
Country
Canada
Brand
GUM
Category
Oral Care
Source
ici.radio-canada.ca

Source and evidence

Radio-Canada — Bienvenue au rayon des formats réduits (réduflation database, updated 27 Oct 2026) ici.radio-canada.ca

Source fetched 2026-11-06.

No response from Sunstar. Radio-Canada could not date the old 183 m pack; dated to when it logged the new one.

Evidence
Typenews organisation database (Radio-Canada, old and new formats checked against dated photos or web archives; companies asked to respond)
Confidencemedium

Check the math in the calculator.

Against official inflation: StatCan CPI (CA) “oral-hygiene products” changed +2.0% (12 months to Jul 2023). The size cut alone raises the price per unit by +10.9% if the shelf price stayed the same (the source recorded no prices). Every case is compared the same way in the ShrinkRadar Index.

What the source says

“Radio-Canada database record: GUM (Sunstar), product type "Fil dentaire". Old format: 183 metres. New format: 165 metres (documented 2023).”

More from Canada: the Canada shrinkflation list has all 43 documented cases, sortable and filterable.

Topic guide: toothpaste shrinkflation, every documented case in one place, brand by brand. Also: toothpaste, deodorant and personal care shrinkflation.

Newest in oral care

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Cite this case

ShrinkRadar, “Did GUM dental floss (Canada) shrink? 183 metres → 165 metres”, https://shrinkradar.com/cases/gum-dental-floss-canada-2023.html, accessed 2026-11-07. Original source: Radio-Canada — Bienvenue au rayon des formats réduits (réduflation database, updated 27 Oct 2026) (https://ici.radio-canada.ca/info/2023/reduflation/base-donnees-produits-aliments-epicerie-formats-taxes/).

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