The skincare world is buzzing about an unexpected hero that's been hiding in medicine cabinets for over a century. While social media influencers chase the latest $200 serums and celebrity-endorsed treatments, dermatologists are championing something far more accessible: petroleum jelly. The "slugging" method has emerged as a revolutionary skincare technique that's making professionals reconsider everything we thought we knew about anti-aging. What Exactly Is Slugging? Slugging involves applying a thin layer of petroleum jelly (like Vaseline) as the final step in your nighttime skincare routine. The name comes from the glossy, slug-like appearance your skin takes on after application. While it might sound unconventional, this method leverages one of skincare's most fundamental principles: maintaining optimal skin barrier function. The technique is deceptively simple. After completing your regular cleansing and treatment steps, you apply a small amount of petro...