By some accounts, vitamin C is the most searched-for skincare ingredient on various search engine platforms. If you've neglected your vitamin C formulas, today's post is a friendly reminder to pick up the habit again. Vitamin C is a reliable ally in boosting skin firmness because it triggers collagen production. Vitamin C can also help to brighten dark undereye circles. And when you layer vitamin C under your sunscreen, you get a doubly effective shield against UV rays. It’s also an antioxidant, so it guards your skin against pollutants that would otherwise weaken your skin's barrier. With all these benefits to the skin, it's no wonder vitamin C has earned that top placement on various search engine platforms!