What it is: A potent and effective form of vitamin C that dramatically gives the look of brighter skin and helps reduce the appearance of dark spots.Who it's for: All skin types.What it does: Dramatically give the look of brighter skin and help reduce the appearance of dark spots with this potent and effective form of vitamin C. This booster combines vitamin C and ferulic acid to support surface skin-cell turnover and protect overall skin integrity to reveal even-toned, smoother and brighter-looking skin. Supercharge your favorite water-based serum or moisturizer by mixing in this gold standard of Vitamin C day and night. How to use: Dissolve 1 to 2 shakes of the booster into 2 to 3 pumps of serum or a bit of mist or water. Apply to your face, neck and chest nightly. 0.49 oz. Natural Beauty & Wellness products are free of sulfates, phthalates, parabens, petrochemicals, mineral oil, silicone and talc; also free of synthetic fragrances and gluten Cruelty-free Vegan Made in the USA MADE SAFE® Certified with nontoxic ingredients not known or suspected to harm human health or environmental ecosystems Forest Stewardship Council® (FSC) certified, ensuring forest management that preserves biological diversity and benefits the lives of local people and workers