My main problem with my skin is my acne scars, and on top of that I also have dry, dull, and sensitive skin. I decided to purchase niacid because their customer service was superb! I been using this product for almost a month and the results are amazing!!! I noticed that my skin Is glowing, renewing, and brightening. I understand that the scars won’t fade right away, but I’am satisfied with what it claimed to do. Some of my relatives told me that I have a glass skin and asked me what am I using,...