Beauty Skincare Amazon Shoppers Say This $17 Anti-Aging Vitamin C Serum Is So Good, No One Can Accurately Guess Their Age Shoppers say it makes a “huge difference” on wrinkles and fine lines. By Caroline Harris Caroline Harris Caroline Harris is San Francisco-based writer, editor, and environmental activist. She currently is an Editorial Associate at the San Francisco Museum of Modern Art. InStyle's editorial guidelines Published on February 5, 2021 @ 11:00PM Pin Share Tweet Email We independently research, test, review, and recommend the best products—learn more about our process. If you buy something through our links, we may earn a commission. Photo: Instagram/Kleemorganics__skincare You know a skincare product is special when it's amassed a loyal following of people on their fourth, fifth, or sixth bottles of it. And one anti-aging serum on Amazon has done just that, turning first-time customers into lifelong fans with its powerful formula for tightening and smoothing the skin. The Kleem Organics Vitamin C Serum is a sensation in the skincare world, with over 6,700 five-star Amazon ratings singing its praises. Shoppers say the serum makes a "huge difference" in reducing the appearance of wrinkles, fine lines, age spots, and acne scars. The change is so noticeable, one shopper writes that "my face became 20 years younger, and all my wrinkles are no longer visible." The serum contains vitamin C, hyaluronic acid, organic aloe vera, jojoba, and vitamin E to nourish and repair the skin. These natural ingredients are designed to improve elasticity, texture, and tone while also providing moisturizing benefits. What's more, the alcohol- and paraben-free serum has a lightweight, non-greasy consistency, per reviewers. You can apply it up to twice a day on your face and neck, and it's compatible with all skin types. Courtesy Shop Now: $17; amazon.com Amazon shoppers love how effectively the serum brightens and firms their skin, with some comparing the changes to that famous pregnancy glow. They appreciate how the formula goes on smoothly with no stickiness, leaving behind a subtle citrusy scent. "The difference to my skin as a 63-year-old smoker was amazing," a reviewer raved. "This liquid gold serum has improved everything: wrinkles, sagging, and dark circles. It's woken my face up, and I can't think of anything I've used in my life that has made such a drastic difference. I had no idea how dull my skin really was before, but now, I all but glow." Even a self-identified esthetician approves, claiming that the serum beats the high-end, very expensive products they've used throughout their 20-year practice. "After two days of use, strangers were complimenting me on my beautiful skin," they explained. The best-selling serum normally costs $30, but it's currently marked down by 43 percent for a limited time. Shop the Kleem Organics Vitamin C Serum from Amazon before it goes back up to its original price.