First Aid Beauty Facial Radiance Niacinamide Dark Spot Serum The niacinamide in this First Aid Beauty Facial Radiance Niacinamide Dark Spot Serum ($42) gets a boost from licorice root and golden kiwifruit to help take on post-blemish marks, hyperpigmentation, and other skin discoloration. Image Source: sephora.com First Aid Beauty Facial Radiance Niacinamide Dark Spot Serum $42 from sephora.com Buy Now