A sunless tanner, personalized blush, and more elite finds that'll earn their keep and stay out of the graveyard of half-used products under your sink.

Popular items on this list include:

* An anti-bacterial lotion formulated specifically to combat butt acne.

* Cosrx's snail mucin essence: a famous concentrated serum that can help hydrate skin, repair a damaged skin barrier and even address scars.

* A professional-grade callus-removing gel for feet.

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