Thanksgiving is about sneaking mouthfuls of whipped cream straight from the can, trying to pace your wine intake to little avail, and that family game that involves going around the table and saying one thing you're grateful for. You might be tempted to make a joke during your turn — the drooling emoji ! the unfollow button on Facebook! — or even give thanks for your latest Sephora find, but now is not the time. Moms like sincerity during the holidays.We, on the other hand, recognize the importance of finding a rare beauty gem. (And we've seen the transformative power of beauty ourselves.) That's why we asked hairstylists, manicurists, makeup artists, and R29 editors to share the No. 1 innovation they credit with changing the game for them this year. Ahead, 14 thank-you notes from the pros to their favorite products.