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Jun 23, 2017

Nadine S.

Hey, I'm thinking about getting The Ordinary's Niacinamide+Zinc and Arbutin serum based on your review. I'm kinda new to this serum thing, and need to ask a few things. Do you layer them or use each for different time (AM, PM)? If you layer, which one goes first? How many drops of each serum is the preferred amount? Thanks.

Katie B.

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