Vitamin C for Skin: How It Works, Why It Brightens, and How to Use It Correctly Vitamin C is one of the most researched ingredients in modern skincare — yet it’s also one of the most misunderstood. Many people use Vitamin C expecting instant brightness or rapid dark spot correction, only to experience irritation, inconsistent … Continue reading Vitamin C for Skin: How It Works, Why It Brightens, and How to Use It Correctly