Why it worked
The video uses visually appealing elements like colorful star confetti and aesthetically pleasing candle molds, which are inherently satisfying to watch being made. The short, silent format with clear visuals makes it easily digestible and shareable.
Product placement
Miss Polly Candle (ACTS - makes and sells candles, its name appears on screen and is spoken by the creator, removing it would change what happens in the video)