CLINICALLY SHOWN RESULTS: Double up and save with our jumbo size vitamin C complex serum. Our serum instantly hydrates skin and clinically shown to improve the appearance of fines lines and wrinkles in just 4-weeks, based on an 8-week clinical study on 32 subjects | CONCENTRATED, POWERFUL FORMULA: The high concentration of our complex including highly stable, pure l-ascorbic acid and Kakadu plum, one of the richest sources of vitamin c, helps address signs of aging, reducing the appearance of fine lines and wrinkles | MOST SKIN TYPES: Appropriate for those with sensitive skin, though a patch test prior to use is advised. Apply even layer onto face, neck and chest morning/night, avoiding eye area. For best results, follow with moisturizer and use sunscreen in the morning | PROUDLY FORMULATED: All of our products are formulated to be pH level appropriate, made in the USA, Vegan, Cruelty Free, Paraben Free, Gluten Free, Skin Compatible, & Dermatologist Tested. Most of our skincare is Synthetic Fragrance Free | SKINCARE THAT WORKS: At Naturium, we are committed to providing affordable skincare essentials that use only ingredients directly benefiting the skinàhealth, which support the integrity and effectiveness of our formulations