Learn how to make DIY mermaid bath bombs for a fun and colorful addition to your bath time ritual! This mermaid bath bomb recipe yields two large bath bombs with moisturizing cocoa butter shells. When placed in water, your DIY mermaid bath bomb will spin, fizz and sparkle releasing a beautiful blue color, eco-friendly rainbow glitter and skin loving ingredients including kelp powder, oat butter and coconut oil. The cocoa…