What is Shrinkflation and Skimpflation?
Shrinkflation occurs when a company reduces the size, weight, or quantity of a product while keeping its retail price unchanged (or even increasing it). It is a form of hidden inflation that exploits human visual perception.
A related tactic is 'Skimpflation'—where the package size remains constant, but premium ingredients (like real butter or cocoa) are reformulated with cheaper fillers (like palm oil or water).
Top 4 Packaging Tricks Used by Brands
Industrial packaging designers employ sophisticated structural engineering to fool the eye on supermarket shelves:
- Concave Bottoms & Indentations: Creating deep indentations underneath peanut butter jars, ice cream tubs, and pasta sauces to reduce volume by 10%–15% while keeping the front height identical.
- Puffed Slack Fill (Air Space): Increasing nitrogen gas inside potato chip bags to maintain a puffed, full appearance with fewer actual chips.
- Narrowed Depths: Slimming the depth of cereal and cracker boxes by half an inch so the front billboard looks unchanged on the shelf.
- Subtle Per-Pack Reductions: Shrinking paper towel roll sheets from 150 to 132, or chocolate bar triangles from 12 to 10.
Never look at the large sticker price. Always check the small shelf unit price (Price per ounce / Price per 100g) to compare true value.
How to Protect Your Grocery Budget
1. Compare Unit Prices: Retailers are required by law in many regions to post unit costs (e.g., $0.45/oz vs $0.38/oz).
2. Buy Bulk Whole Staples: Grains, legumes, and unrefined nuts sold in bulk bins suffer far less from marketing redesigns.
3. Use UnwrapTruth's Historical Shrinkflation tracker to see past weight and price deltas logged by the global community.
Check Any Product with Nutrition & Quantity Checker
Don't guess ingredient labels. Scan barcodes in real-time or upload packaging photos.
Frequently Asked Questions
Is shrinkflation illegal?
No. As long as the net weight printed on the package is mathematically accurate, changing product dimensions is legally permitted. However, regulatory bodies are increasing scrutiny over deceptive packaging.
Why don't brands just raise prices directly?
Behavioral economics shows that consumers notice a price increase at checkout immediately, but rarely notice a 1.5-ounce reduction in bag weight.