A cosmetic skin care product that includes an applicator and a skin care composition. The applicator includes a substrate with a magnetic array embedded therein, and the magnetic array has a first layer of at least one dipolar pair of alternating magnetic poles with a pitch of between 1 mm and 3.5 mm and a first layer magnetic field strength of between 12 mT and 30 mT. The skin care composition includes an effective amount of a vitamin B3 active and a dermatologically acceptable carrier.
