My answer as a regular consumer would be to pass along to friends or donate (it is harder to find a place that will take tested or used products). As a blogger, I do keep products I don’t like personally or don’t expect to wear often (if at all), but some things (MAC products, for example), I keep for future reference/dupes and the like. I usually donate products twice a year (especially hair care, skin care, foundations) and pass on some things (like a used lipstick) to friends/family.

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