Professional soccer goalkeepers have been using Vaseline on their gloves to improve grip, but a recent discussion highlights both the benefits and drawbacks of this practice. According to goalkeeping analyst Matt Pyzdrowski, Vaseline can provide a stable feeling and better grip, but it can also damage the latex in the gloves over time. This can lead to reduced durability and increased replacement costs.
Source: https://www.nytimes.com/athletic/5618674/2024/08/11/vaseline-hairspray-shaving-foam-whats-the-best-substance-to-put-on-goalkeeper-gloves/