The Bright Biotic Dark Spot Minimizing Serum from Dr. Brandt works to brighten & balance skin. Powered by fruit enzymes & a Balancing Biotic Complex, this lightweight serum regulates your skin’s naturally occurring flora to balance its complexion. This reveals a healthier-looking complexion, minimizing the appearance of dark spots & blemishes. This advanced formula works to brighten complexion, making your skin more radiant, with an even tone. Dermatologist-Tested. Opthalmologist-Tested. Hypoallergenic. Suitable for all skin types.