The NIACINAMIDE 10% + TXA 4% DARK SPOT CORRECTING SERUM by Anua has an average rating of 4.25 out of 5, indicating a generally positive reception among users.

Several users have highlighted the serum's effectiveness in improving skin texture, reducing blemishes, and brightening the complexion. Many reviews mention noticeable improvements in skin tone and a reduction in the appearance of dark spots and acne scars with consistent use.

However, some users have noted that the serum has a sticky texture, which can be uncomfortable for some, especially when applied before makeup or during the day. Additionally, a few users with sensitive skin reported experiencing mild irritation or redness initially, suggesting that patch testing might be advisable for those with reactive skin.

Overall, the high average rating suggests that many users find the product beneficial, though individual experiences may vary, particularly regarding texture and skin sensitivity.