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niacinamide serum

Happy young black woman with covered white towel on head applying serum on face with closed eyes. Beautiful afro-american woman apply serum vitamin C, argan oil or tea tree ingredients in pippette dropper under eye, treating skin for nourishing and moisturizing effect against white background. Beauty and skin care concept.
BEAUTYENGINE

A 49 Year-Old Reader Says This Serum ‘Shrinks Pores’ and ‘Takes Care of Dark Spots’

By Danielle Fontana DooleySeptember 12, 2025

We’re in.