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Face serums with quantified claims: 1.7 times more in winners
Products that succeed in Face serums · Amazon Spain tend to have “quantified claim: yes”: it is ×1.7 more frequent among winners (×1.8 with products launched later). Data from 6-Nov-2026, 79 products with that attribute.
Winner = a product in the top 20% of the sales rank of its launch quarter (median of days 60 to 180). “Times more frequent” = how many times more often the attribute appears among winners than among all products (1.5 times = 50% more). Only those that hold up when checked with products launched after the ones used to discover them are included.
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How to cite: Wintraits, Face serums · Amazon Spain, 2026-11-06, https://wintraits.com/match/serums/es/promesa-cuantificada-si. Methodology.
Correlation, not causation: these are patterns of winning products, not guarantees.