Features of IsNtree Hyper Niacinamide 20 Serum:- Very light, watery formula; - Niacinamide tightens enlarged pores, brightens and evens out skin tone; - Arbutin helps reduce the visibility of dark spots, freckles, and other hyperpigmentation; - 10 types of hyaluronic acid provide hydration at various levels of the skin; - Zinc PCA regulates sebaceous gland secretion, reducing oiliness; - Improves overall skin texture, making it smoother; - Pleasantly refreshes upon application and absorbs quickly; - Arginine reduces the appearance of wrinkles and fine lines; - Keeps the skin elastic and firm.