1. Daily Official Store Checks (03:15 UTC): Prices are checked directly from each brand’s official UK storefront every day at 03:15 UTC.

2. Consistent Price Benchmarks:
• Tracked Low: Lowest price recorded in our daily observations within the shown date window.
• Store Pre-Promo Ref: Prior campaign low disclosed by the store before the current promotion.
• Regular Price: Full non-promotional catalogue price.

3. Same-Type Comparisons: Each deal is matched only against products of the same specific sub-type (e.g., Face Cream to Face Cream, Lip Makeup to Lip Makeup) with sizes and unit prices displayed where available.