What it is: A serum with 20 percent THD ascorbate to visibly brighten, fade dark spots, even out the complexion, and support collagen for firmer-looking skin with less-visible lines and wrinkles. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Dark Spots, Fine Lines and Wrinkles, and Loss of Firmness and ElasticityFormulation: Lightweight Serum Highlighted Ingredients:- THD Ascorbate 20%: Visibly brightens, smooths, and firms the skin by supporting collagen. - Hexylresorcinol Complex 4%: Reduces the appearance of dark spots. - Plankton Extract 1%: Visibly evens skin tone and reduces age spots. Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan.What Else You Need to Know: This dermatologist-tested, fast-absorbing, ultra-concentrated serum synergistically and visibly brightens, fades darks spots, and promotes a more even-looking complexion while supporting collagen for less-visible lines and wrinkles and firmer-looking skin.Clinical Results: In a self-assessment test conducted on 34 volunteers: After 7 days: - 91% reported that the product evens skin tone and texture, leaving the skin looking more luminous and radiantAfter 8 weeks: - 88% reported that the product reduces the appearance of dark spots - 91% reported that the product improves the appearance of fine lines and wrinkles In an instrumental evaluation conducted on 34 volunteers:After 7 days:- 82% showed reduction in skin color variation After 4 weeks: - 100% presented improvement in skin firmness