A perfumer told me this

The video taps into the popular 'life hack' trend by offering a simple and unexpected DIY beauty solution. The use of a common household product (Vaseline) in a novel way makes it relatable and shareable.

The video demonstrates a life hack for creating solid perfume using Vaseline. It shows melting Vaseline in hot water, adding perfume to it, and then chilling the mixture to create a solid balm that can be applied to the skin.

Vaseline Original Healing Jelly: it is used to make a solid perfume. Removing it would change what happens in the video.