NO HARMFUL STUFF. Our product is formulated without parabens, petroleum, phthalates, silicones, sulfates, synthetic fragrances & dyes, SLS/SLES. This product is 100% vegan. We never test on animals. Made in the USA in a FDA registered facility. SKIN BRIGHTENING. This super vitamin serum for face works as an anti-aging treatment which brightens your skin and contains hyaluronic acid that provides long lasting hydration. CONCENTRATION. Our serum has the most effective concentration of 20%. For a L-ascorbic acid vitamin C serum to be most effective, it should have a concentration of 20%. Serums with vitamin C concentrations below 8% are ineffective, while above 20%, their effectiveness tapers off. HOW TO USE. Apply 3-5 drops to face in the morning and evening as part of regular skin care routine. This serum is suitable for all skin types however due to its high concentration, this serum is best suited for normal to oily skin. Our Vitamin C Serum is perfect for use on acne prone because our natural ingredients are hydrating. On average, skin improvement is visible after at least 30 days of daily usage. EFFECTIVE. Vitamin C works synergistically with other antioxidants, such as vitamin E and ferulic acid. We blend vitamin C with hyaluronic acid and vitamin E to restore firmness, tackle discoloration, and boost collagen production. Use this serum to fight the appearance of hyperpigmentation, fine lines, and wrinkles. Provitamin B5 also serves as a natural skin healer and protector and helps to relieve the symptoms of irritated skin, such as itchiness and discolouration. POTENT VITAMIN C SERUM + BOTANICAL EXTRACTS. Our vitamin C serum is packed with powerful ingredients that hydrate skin, brighten and reduce the appearance of fine lines and wrinkles. This serum has ingredients like: 20% L-ascorbic acid, 1% vitamin E, 0.5% ferulic acid, hyaluronic acid, provitamin B5 and botanical extracts like wild kakadu plum, green tea leaf extract, roman chamomile flowers, rose hip extract, and grapefruit peel oil.Best Sellers Rank: See Top 100 in Beauty & Personal Care. Brand: DRN LABS. Scent: Rose. Use for: Face. Product Benefits: Anti-aging,Antioxidants,Brighten,Brightening,Hydrating. Skin Type: All. Country of Origin: USA. : B09WCZ66MN. Manufacturer: DRN LABS. Package Dimensions: 4.21 x 1.46 x 1.38 inches; 3.21 Ounces.