Reviva Labs Brown Spot Night Cream with Kojic Acid, 1.5 ozReviva Brown Spot Night Cream with Kojic Acid Better, Faster Results for Dark Spots or Skin Discoloration. Natural Refined Vegetable Oil Base Aids Absorption. For All Skin Types. Unique blending of this cream's "base" allows the super lightening agent Kojic acid to produce even quicker action on age spots, or any skin discoloration. With consistent use each evening on face, hands or body, you can start to see a fading of spots in 4 weeks or sooner.