Messy: an extended family gathering. Messier: an extended family gathering around a bowl of eggnog.Scrub away the evidence of sloppy holiday reunions (except for Uncle Ted’s dirty jokes — those are indelible) with Common Good, a Brooklyn-grown line of biodegradable, dye- and fragrance-free cleansers.Leave it to a prop stylist couple to know what looks good sinkside: minimalist glass or recycled plastic bottles with simple hand-drawn labels and fat cubes of French-clay-and-olive-oil-based soap that we’re tempted to pop into Ted’s mouth like bocconcini.Scared you’ll run out? Starting today, you can refill empty bottles with suds from bulk containers at Foragers Market for about 40 percent less than a new one would cost. It’s a surefire way to clean up everyone’s act.Available at Foragers Market, 56 Adams Street, at Front Street, Dumbo (718-801-8400 or foragersmarket.com); online at commongoodhome.com, $2-$16.Photo: Courtesy of Common Good Need sweet inspiration? Check out our tasty tips for gingerbread houses that are anything but cookie cutter. Then find more dessert recipes, festive playlists, and baking supplies on our holiday site.Up to 50% off FallsInspired by music, 1950s abstract art, and British style, Falls combines old-school tailoring with sculptural details. Don’t miss the chance to snag the dresses and knitwear at up to 50% off on Swirl.