BRIGHTEN UP TXA TONER. Benefits: Formulated with a triple-threat dark spot solution thats clinically proven to reduce the look of dark spots in just seven days. Key Ingredients: 3% TXA (Tranexamic Acid): visibly brightens and reduces the look of dark spots. 5% PHA (Gluconolactone) and Azelaic Acid: visibly evens tone, smooths texture, and gently exfoliates. Upcycled Tangerine Peel: a hydrating nature-derived antioxidant. Research Results: Clinical Results: Based on clinical and consumer panel testing on 36 subjects after 7 days:. Clinically proven to visibly reduce dark spots. 97% agreed skin clarity was improved. Based on clinical and consumer panel testing on 34 subjects after 8 weeks:. 100% showed visible reduction in dark spots. 100% showed improvement in skin tone evenness. 97% showed visible reduction in the look of hyperpigmentation.