Fun fact: ITG turned 5 (!!) this year. A little hard to believe, no? It's exciting though, because in that time, hundreds of women (and men) have shared their beauty philosophies on the site. Some things, we'd never heard of before (who'd ever think to run Nivea through their hair?). Others were brilliant life hacks—like carrying around a full water bottle in your shoulder bag so that the discomfort will encourage you to stay properly hydrated. Altogether, talking to people about beauty while taking pictures of their medicine cabinets has proven a very useful hobby.

Since we couldn't physically get every amazing, inspiring, and thoughtful person we've interviewed together for the grandest round table discussion maybe ever (fingers crossed for one day), we decided the next best thing to celebrate our upcoming anniversary would be to virtually present some of the best pieces of advice all in one place. We've combed through the archives, from Top Shelf to the #ITGTopShelfie and posted them here for your convenience. Plus, some of our favorites are from our community members hanging out in the comment section—please keep those coming below! And we'll update this post as the advice keeps coming in.

So without any further ado, we present Tips: A Slideshow. Click your way through for a better beauty routine.

Photos by ITG. Post updated as of December 30, 2015. Read more of The Top Shelf and #ITGTopShelfie.

For more of your tried-and-true favorites, check out What You Taught Us About Eyeliner, The Fan-Favorite Face Oils, and The Best Masks For Acne.