MSN video follows giant DIY bath bomb to its fizzy payoff

The giant DIY bath bomb did what smaller ones only promise: it hit the water and exploded into a loud, colorful fizz. MSN’s bath-bomb video, published on May 20, 2026, turned the hobby into a stress test, with intense fizzing, swirling color and the kind of payoff makers chase when they want a dramatic drop.

That size change matters. A standard bath bomb is usually judged on tiny details, whether it holds shape, cures properly, breaks cleanly from the mold and releases scent and color at the right pace. Scale the recipe up and those same details get harder to hide. Moisture control becomes touchier. Packing pressure starts to matter more. Fragrance load can throw the balance off. Cure time stops being a casual step and becomes part of the structure. If the mix is too wet, it can pre-fizz or slump before it ever reaches the tub. If it is too dry, it can crumble during handling. The giant version made that tradeoff easy to see.

That is why the stunt works as more than a novelty. It puts the bath-bomb formula under a brighter light, and the chemistry is the same chemistry that made the original product a hit. Lush says Mo Constantine invented the first bath bomb in 1989 in Dorset, England, and says the company was first awarded the bath-bomb trademark on April 27, 1990, a date it marks as World Bath Bomb Day. Lush also says the core mix is sodium bicarbonate and citric acid, plus ingredients such as essential oils. Britannica describes sodium bicarbonate as a source of carbon dioxide, and says carbon dioxide dissolves in water to form carbonic acid, which helps explain the fizz viewers expect.

The bigger lesson reaches beyond the clip. Bath bombs sit inside a personal-care market that has been estimated at about $1.86 billion in 2026, and industry research says social video on Instagram and TikTok helps keep demand moving. That makes spectacle part of the business, but it also makes safety and labeling matter. The FDA says cosmetics must be safe under labeled or customary conditions of use and properly labeled, which is exactly why oversized DIY versions deserve more than a quick nod as content. They show what happens when a formula gets pushed past the comfortable range.

In the end, the giant bomb was worth watching because it made the hidden parts obvious. The fizz was the finish, but the real lesson was everything that had to go right before that burst of color could land.