Inspired by his treatments and research at 111 Harley St., Dr Yannis developed this pioneering Dark Spot Correcting Serum formula in response to patient feedback. This breakthrough serum is clinically proven to reduce the appearance of pigmentation by 36%. It contains a blend of seven Alpine Plants, Tranexamic Acid, powerhouse antioxidant Glutathione and effective brightening compound Niacinamide, while 111SKIN’s proprietary NAC Y2™ complex repairs and restores skin health.