This $20 Vitamin C Serum Is a Best Seller on Amazon

When you think of places to purchase skincare essentials from, it's likely that Ulta, Sephora, Target, and other similar traditional beauty retailers come to mind. It's also just as likely that you don't think of Amazon—even though you should. It may not garner as much attention as its rivals in the beauty department, but it's a treasure trove of quality skincare, with product offerings like the $17 body oil that remains the site's best-selling skincare product of the entire decade.

The site's newest standout product is brightening, hydrating, and antioxidant-rich. It's packed with vitamins C and E, and hyaluronic acid. The best part is that it won't break the bank. Where other serums' price points fall into triple digits, this one is surprisingly affordable—$20 per bottle.

TruSkin Naturals Vitamin C Serum for Face
TruSkin Naturals Vitamin C Serum 20% $20

The reigning serum is from TruSkin Naturals. It's formulated with 20% vitamin C to address uneven skin tone, hyperpigmentation, dullness, and signs of aging like fine lines, sagging, and wrinkles. Seriously, vitamin C is something of a powerhouse skincare ingredient, one that many skincare experts recommend their clients use. It also has aloe vera, hyaluronic acid (otherwise known as a mega-moisture molecule), and jojoba oil. Just as important as what's inside the bottle is what's kept out. It's a plant-based formula that's free of synthetic color, additives, and fragrance. We can see why some members of the Byrdie team have fallen in love with the formula.

Amazon users rave about the product. There are over 8500 customer reviews—76% of them are five-star ratings. One user writes, "First I want to say that I never write reviews… but I am just TOO excited to not share my results with you. A little bit of background first—I am 23 years old, a medical student, with very TIRED, acne-prone, and dull skin. I have struggled with acne throughout my entire adolescent and adult life. I have used many products all over the market—including Proactiv, Proactiv+, birth control, and nearly every drugstore product you can think of. Some things will keep my acne at bay, but … the years of heavy chemicals trying to treat my acne has definitely hurt the integrity of my skin. I have had new fine lines, wrinkles, HEAVY bags, and dark circles. I started doing research on skincare and decided to completely re-vamp my beauty routine. If you care about your skin, you should not hesitate in purchasing this serum."

Another user is similarly enthusiastic. "Best serum I've ever used!! My face is smoother than when I was in my 30s, and my sun spots have faded! I noticed improvement on day 3, I kid you not!! Wrinkles are MUCH less noticeable. You will need a moisturizer over it, as it is not a moisturizer! It absorbs quickly and easy to apply! I love it!!!!! I am already ordering more and plan to try their other products. I am 49 and I swear it made me look younger in less than 2 weeks!"

Like we said before, vitamin C is a powerful skincare ingredient, which is why it's been an integral part of our routine for years now. Finding one that is as highly recommended as this one is fantastic. Finding one that's highly recommended and also only $20 is even better.

Next up, Byrdie editors share their top skincare secrets.

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