An advanced 10% Niacinamide serum from Sunday Riley to help minimize pores' appearance and help improve post-acne dark spots and surface redness while promoting an overall radiant complexion. Sunday Riley is a B Corp Certified line of layer-able formulas that unite the most advanced breakthroughs in cosmetic science with pure, potent botanicals. As the brand's founder, cosmetic chemist, and formulator, Sunday Riley ensures sure each product has countless hours of research and development to produce clean, highly effective formulas that deliver results you can feel good about. Each technology-driven blend delivers active ingredients at maximum concentration, guaranteeing noticeable anti-aging benefits, long-term rejuvenation and instant, luminous results. Beauty Return Policy: We are unable to process returns for opened and used beauty products. All products must be returned in original condition and packaging to our Returns warehouse. Store locations do not accept returns for Beauty products. Made in the USA