This TruSkin Naturals Vitamin C Serum ($20) is a bestseller on Amazon and grows in popularity with each day — it's currently up 120 percent in sales. According to the brand, the serum is "proven to reduce the appearance of wrinkles and fine lines while helping boost collagen, fade sun and age spots, improve skin firming, brightening, and tone for a smoother, fresher, more revitalized youthful complexion." I know it sounds too good to be true, but it actually works.
Vitamin C is a necessary supplement when it comes to skin health, so it's no surprise that this serum works so well. If you're not convinced yet, check out the reviews on Amazon. There are all sorts of before-and-after photos that prove the effectiveness of this formula.