The Oprah Magazine

20 Dark Spot Correctors That Actually Work. Dr Zeichner says, "Ghost Democracy Lightbulb Vitamin C Serum is a great option if you're starting to notice dark spots and fine lines. Its anhydrous formula maintains potency of the vitamin C. Plus it contains bakuchiol oil (a natural form of retinol) which enhances cell turnover and strengthens the skin's foundation to fight off lines and wrinkles."