– Gundry MD™ Polyphenol Dark Spot Diminisher now has over 1,000 positive reviews across multiple platforms. Created by nutrition pioneer and world-renowned heart surgeon, Dr. Steven Gundry, Dark Spot Diminisher is a remarkable serum specially formulated for all skin types to help effectively address dark spots and uneven skin tone. Crafted with potent polyphenol extracts, antioxidants, and vitamins, this serum nourishes the skin, reducing the appearance of dark spots and giving it a revitalized, youthful glow. Whether you have age spots, sun spots, brown spots, or liver spots, this serum targets and diminishes their visibility, even on sensitive skin.*