The Glow Recipe Guava Vitamin C Dark Spot Serum is a potent, visibly brightening serum that reduces the appearance of dark spots with five forms of vitamin C, guava, and tranexamic and ferulic acids for visibly glowing, even-toned skin. Delivering an effective performance with minimal irritation, the encapsulated time-release vitamin C in this serum combines with vitamin C-rich guava and visibly brightening tranexamic acid to visibly delete dark spots and help keep future ones from appearing. Ferulic acid, vitamin E, and peptides partner with vitamin C to visibly firm skin and boost radiance. Test Results: Based on an independent consumer-use study of 29 individuals during a 4-week period: - 100% agree that this serum is gentle enough for everyday use. - 96% noticed that their skin appears brighter and more radiant. - 96% noticed a visible improvement in overall skin tone. - 96% agree their skin looks less dull. - 96% noticed their skin texture has significantly improved. - 89% noticed