Free of Fragrances, Parabens, and Gluten.* *Complete Allergen Statement available upon request. | Reference material available upon request. Study performed by external sources. | (1)Hakozaki T, Minwalla L, Zhuang J et al. The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer. British Journal of Dermatology, 2002; 147:20-31.