In his TikTok — which has over 8 million views — Dr. Muneeb says, "Pure Vaseline is actually the most effective occlusive moisturizer, and it prevents 99% of water loss while you sleep. This ...

Using Vaseline underneath your eye can help with runny, watery eyes, ophthalmologist Dr. Ilana Forchheimer says — as long as you don’t put it on your waterline.