#10
of 39 stores measured
The index › the United States › Skincare › Costco
Costco in the Krillo Index
When shoppers in the United States ask ChatGPT and Gemini where to buy skincare, is Costco named? This is the answer from our latest monthly measurement, November 2026.
8/35
buying questions where AI names it; the category median is 2
4
questions where AI recommends it outright
Measured with ChatGPT and Gemini, the same questions for every store in this category, asked in the language of the market. Read how we measure.
Around Costco
See the full ranking for SkincareWhat AI says about Costco
In the 10 answers that name Costco, AI mentions: trusted (3x), low prices (3x), premium (3x).
“Best for value: Costco and brand-direct sales Costco can have good deals on trusted brands, though selection changes.”
ChatGPT, asked: where is the best place to buy skincare products online in the US
“Drugstore and retailer sites, such as CVS, Walgreens, Costco, and Kroger, depending on the shopper.”
ChatGPT, asked: where do most Americans buy their skincare products online
“If you are a Costco member, Costco may be even more forgiving in practice: its satisfaction guarantee generally covers skincare and does not normally impose a short return window, though the selection is much smaller and policies can...”
ChatGPT, asked: which American online store has the easiest return policy for skincare products
Quoted word for word from the answers in our measurement. What AI says about your store decides which buying questions it names you for.
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