Onsen Saru, the legendary hot spring monkey, is a symbol of rest and renewal in Japan. Surrounded by snowy forests and steaming mineral baths, the Saru knows the art of relaxation—and now you can bring that ritual home. Drop this fizzy cube into your tub and watch it transform your bath into an Onsen. Infused with sea salts, magnesium flakes, and the soothing scent of Japanese Matsu pine, cedarwood, and snow, it melts away stress and leaves skin feeling smooth and restored. WHY IT’S SPECIAL Inspired by the Japanese Onsen ritual of purification and renewal Made with sea salts and magnesium flakes to relax muscles and soothe the body Fragranced with Matsu pine, cedarwood, and snow for a forest-bath atmosphere Luxurious fizzing cube wrapped in biodegradable Biolefin Handcrafted in small batches with natural oils and clays DETAILS Size: ~2" square cube (approx. 4.8 oz) Packaging: Wrapped in biodegradable Biolefin Origin: USA, handmade in small batches Directions: Pour and dissolve into warm water, soak for 15 minutes. Store in a cool, dry place. Not intended to treat medical conditions. Consult a physician if nursing or pregnant. Use caution—tub may become slippery. INGREDIENTS Sodium bicarbonate, magnesium sulfate, citric acid, pink kaolin clay, Himalayan pink salt, shea butter, avocado oil, sunflower oil, potassium bitartrate, essential oils. THE BRAND A thoughtfully curated selection of vintage, handmade, and few-of-a-kind goods with a focus on the Japanese aesthetic. Created by Tiffanie Miyashiro.