<!– — Estimated Reading Time: 1 minute 38 seconds If you’ve already started an anti-aging skin care routine, you must’ve come across many popular anti-aging ingredients, from collagen, retinol and hyaluronic acid to Vitamin C, ceramides and glycolic acid. With so many skin care ingredients out there, it can be overwhelming to keep track of what’s what.  One ingredient that should be on your radar, especially if you’re serious about your anti-aging regimen, is peptides. This anti-aging ingredient will change…