Hot Spring Bath Fizz
Turn your tub into a hot spring onsen with a soothing blend of sea salts, magnesium, and pink kaolin clay. With the scent of Japanese Matsu pine, cedarwood, and snow melting your worries away, this bath fizz adds a soothing step to your self-care routine. Scented only with essential oils, this fizzing block offers an alternative to artificially scented and colored bath bombs.
Materials: sodium bicarbonate, magnesium sulfate, citric acid, pink kaolin clay, Himalayan pink salt, shea butter, avocado oil, sunflower oil, potassium bitartrate, essential oils
Made by: Onsen Saru
Made in:Los Angeles, CA
Specifications: 4.9 oz cube
cruelty free | small batch | paraben and phthalate free
Use: Simply drop the cube into your bath water and allow it to dissolve.
Further Reading:Made in Los Angeles, Onsen Saru is inspired by the serene world of Japan’s hot spring monkeys. Scented like Japanese Matsu pine, cedarwood, and snow, each product offers a refreshing sense of renewal.
Explore more products with the same scent profile in our Onsen Saru collection.




