· Differin Dark Spot Correcting Serum features 4% Niacinamide, a brightening ingredient that's clinically proven to reduce the appearance of dark spots and discoloration· GEL-LIKE FORMULA: Goes on smoothly and invisibly under makeup· SOOTHE & RENEW: Made with antioxidant sea buckthorn berry oil to help soothe skin and citric acid to help renew the skinÔøΩs surface· HOW TO USE: Apply to skin after cleansing. Use daily as needed, do not rinse off. If going outside, use a sunscreen, SPF 30 or higher· ADD TO YOUR REGIMEN: Gentle enough for daily use, morning or night and compatible with Differin Gel