Skincare & Beauty Is vaseline waterproof? February 2, 2026 by Mercier | Leave a Comment Vaseline, a brand of petroleum jelly, is water-resistant but not entirely waterproof. It forms a protective barrier on the skin that helps repel water, making it useful for various skincare applications, but it will eventually wash off with prolonged exposure to water. What Makes Vaseline Water-Resistant? Vaseline’s primary ingredient is petroleum jelly, a semi-solid mixture […] Read more ยป