The Dark Spot Correcting Glow Serum by AXIS-Y has received mixed reviews regarding its effectiveness in fading dark spots. Some users have reported noticeable improvements in their skin tone and a reduction in dark spots with consistent use. For instance, one reviewer mentioned that their dark blemishes gradually faded with regular application Review+. However, other users have noted that they did not experience significant changes in their dark spots, even after extended use Review+. It seems that the effectiveness of the serum in fading dark spots may vary depending on individual skin types and conditions.