Paula’s Choice BOOST 10% Niacinamide Face Serum Booster, Facial Serum with Vitamin B3, Vitamin C & Licorice Extract Serum, Pore Minimizer, All Skin Types, Fragrance-Free, 0.67oz | Facial Serum with Vitamin B3, Vitamin C & Licorice Extract, Pore Minimizer for All Skin Types, Fragrance-Free

Customers report that the serum delivers on its promise to shrink pores and help with melasma, while also improving skin tone and making it look better. The product receives positive feedback for its effectiveness as one of the best niacinamide products, and customers appreciate its smoother texture and how it feels on the skin. The consistency receives mixed reactions, with some describing it as water-like while others find it sticky, and customers disagree on whether it's worth the price.