Ingredient Dictionary
Easily explore preference ratings for tens of thousands of cosmetic ingredients.
Ingredient List
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What is ingredient preference?
Ingredient preference is a reference score showing how users reviewed products containing this ingredient.
Product rating
Review count
Category rating gap
Ingredient list order
It is calculated using product ratings, review counts, rating differences from products in the same category, ingredient list order, and more.
Ingredient preference ratings do not indicate an ingredient's efficacy or safety. They are based on user data to help you choose products.
Ingredient preference levels
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Top
Products with this ingredient consistently rate highly across multiple categories, showing a clearly positive response in user reviews.
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High
Products containing this ingredient tend to rate above average, though results may vary by product.
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Average
Products containing this ingredient are rated close to the overall average, with no strong preference trend in either direction.
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Low
Products with this ingredient tend to rate below average. Check the other ingredients and reviews when choosing a product.
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Very low
Products with this ingredient show a strong tendency to rate poorly across reviews. This does not necessarily indicate an issue with the ingredient itself, but may reflect lower satisfaction with products that contain it.
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Low data
There is not yet enough product and review data to determine preference.
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Not rated
A basic ingredient widely used in most products, such as purified water, or one that is not suitable for star-rating-based preference analysis.
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