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손톱까지는 생각 못했는데 저도 한번 해봐야겠어요
Squeeze some hand cream onto the back of your hand, apply it to your nails first, and rub them together. Apply it to your nails and cuticles first, then apply it to the back of your hand.
I've been applying it like this for several years.
I think it might make the nails shiny and provide nutrients.