Tranexamic Acid vs Vitamin C: Which Is Better for Dark Spots? If you’re dealing with dark spots, melasma, or uneven skin tone, chances are you’ve been told to use vitamin C. And while vitamin C is a well-known brightening ingredient, it’s not always the best—or gentlest—option for every skin type. As an esthetician, one of the most common questions I hear is: “Should I be using vitamin C or tranexamic acid for my pigmentation?” The answer isn’t one-size-fits-all. Let’s break