24 Medical-Grade Skin-Care Finds From Dermstore, Including Major Deals

Obagi Professional-C Serum 20% ($80)

With 20 percent pure vitamin C, the Obagi Professional-C Serum 20% is a powerful antioxidant serum that's also incredibly hydrating, so it's great for those with drier skin types. If you're dealing with dark spots and uneven skin tone, around five drops every morning of this serum can help. It also provides effective antioxidant protection, especially when paired with a quality sunscreen.