Dermatologist Dr. Muneeb Shah, known as @dermdoc to his 10.9 million followers on TikTok, told Insider "slugging," or applying Vaseline all of your face, can be a great way to lock in moisture and ...
An occlusive moisturiser, Vaseline or generic petroleum jelly works by “sealing” in whatever’s beneath it (serums, tonics, acids), creating a barrier between your skin and external stressors.