A bath bomb—a palm-size ball or disc generally made of baking soda, citric acid, oils, and dyes that dissolve in water—can transform a simple soak into the highlight of one’s day, calming nerves and softening skin while entertaining bathers with fantastic fizz, soothing scents, and captivating colors.
After soaking in data from 49 on-the-record baths involving bath bombs from 15 different brands, we’re certain that Lush makes the most luxurious bath bombs (which start at $6.50 apiece), providing multisensorial pleasure and effectively moisturizing skin.